VISUAL BASIC~6 HOW TO ------------PROGRAM

H. M. Deitel Deitel & Associates, Inc.

P. J. Deitel Deitel & Associates, Inc.

T. R. Nieto Deitel & Associates, Inc.

PRENTICE HALL, Upper Saddle River, New Jersey 07458

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Contents

Preface xxx

Chapter 1 Computing Concepts 1 1.1 Introduction 2 1.2 What Is a Computer? 3 1.3 Computer Organization 4 1.4 Evolution of Operating Systems 4 1.5 Personal Computing, Distributed Computing, and

Client/Server Computing 5 1.6 Machine Languages, Assembly Languages, and

High-level Languages 6 1.7 History of Visual Basic 7 1.8 Other High-level Languages 7 1.9 Structured Programming 8

1.10 What Is Visual Basic? 9 1.11 General Notes About Visual Basic and This Book 10 1.12 A Tour of the Book 11

Chapter 2 Integrated Development Environment 25 2.1 Introduction 26 2.2 Integrated Development Environment Overview 26 2.3 Project Window 28 2.4 Toolbox 29 2.5 Form Layout Window 31 2.6 Properties Window 31 2.7 Menu Bar and Tool Bar 32 2.8 A Simple Program: Displaying a Line of Text 33

Chapter 3 Introduction to Visual Basic Programming 50 3.1 Introduction 51 3.2 Visual Programming and Event-Driven Programming 51

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VISUAL BASIC 6 How TO PROGRAM CONTENTS VII

3.3 A Simple Program: Printing a Line of Text on the Form 52 3.4 Another Simple Program: Adding Integers 60 3.5 Memory Concepts 64 3.6 Arithmetic 64 3.7 Operator Precedence 66 3.8 Decision Making: Comparison Operators 69

Chapter 4 Control Structures: Part I 88 4.1 Introduction 89 4.2 Algorithms 89 4.3 Pseudocode 90 4.4 Introduction to Control Structures 91 4.5 I f/Then Selection Structure 93 4.6 If/Then/Else Selection Structure 94 4.7 While Repetition Structure 98 4.8 Do While Repetition Structure 99 4.9 Do until Repetition Structure 100

4.10 Formulating Algorithms: Case Study 1 (Counter-Controlled Repetition) 101

4.11 Formulating Algorithms with Top-down, Stepwise Refinement: Case Study 2 (Sentinel-Controlled Repetition) 103

4.12 Formulating Algorithms with Top-down, Stepwise Refinement: Case Study 3 (Nested Control Structures) 110

Chapter 5 Control Structures: Part II 129 5.1 Introduction 130 5.2 Essentials of Counter-Controlled Repetition 130 5.3 For Repetition Structure 132 5.4 Examples Using the For/Next Repetition Structure 134 5.5 Select Case Multiple-Selection Structure 140 5.6 Do/LOOp While Repetition Structure 147 5.7 Do/LOOp Until Repetition Structure 149 5.8 Exi t Do and Exi t For Statements 151 5.9 Data Type Boolean 153

5.10 Constant Variables 154 5.11 Logical Operators 156 5.12 Structured Programming Summary 159 5.13 Visual Basic Data Types 164

Chapter 6 ~ub Procedures and Function Procedures 177 6.1 Introduction 178 6.2 Form Modules 178 6.3 Sub Procedures 180 6.4 Function Procedures 186 6.5 Call-by -V al ue vs. Call-by -Reference 190

VID CONTENTS VISUAL BASIC 6 How TO PROGRAM

6.6 Exit Sub and Exit Function 194 6.7 Storage Classes 197 6.8 Scope Rules 198 6.9 Random Number Generation 201

6.10 Example: A Game of Chance 208 6.11 Recursion and the Factorial Function 214 6.12 Another Recursion Example: The Fibonacci Series 217 6.13 Recursion vs. Iteration 220 6.14 Optional Arguments 221 6.15 Named Arguments 223 6.16 Visual Basic Math Functions 225 6.17 Code Modules 226

Chapter 7 Arrays 247 7.1 Introduction 248 7.2 Arrays 248 7.3 Declaring Arrays 249 7.4 Examples Using Arrays 251 7.5 Passing Arrays To Procedures 258 7.6 Sorting Arrays 263 7.7 Searching Arrays: Linear Search and Binary Search 266 7.8 Multidimensional Arrays 271 7.9 Control Arrays 274

7.10 Dynamic Arrays 278 7.11 Variable Arguments: ParamArray 285 7.12 Function Array 286

Chapter 8 Strings, Dates and Times 302 8.1 Introduction 303 8.2 Fundamentals of Characters and Strings 304 8.3 String Data Type 305 8.4 String Concatenation with & and + 305 8.5 Comparing Character Strings 306 8.6 Operator Like 309 8.7 ManipuTatlngiliErrilliVidual Characters in a String: Mid$ 311 8.8 Left$, Right$, and InStr 312 8.9 Searching for Substrings in Strings using InStr and InStrRev 315

8.10 LTrim$, RTrim$ and Trim$ 317 8.11 String$ and Spaces$ 317 8.12 Replacing Substrings in a String with Function Replace 319 8.13 Reversing Strings with Function StrReverse 319 8.14 Converting Strings to Uppercase and Lowercase 320 8.15 Conversion Functions 321

8.15.1 Asc andChr$ 321 8.15.2 IsNumeric, Val and Str$ 322

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VISUAL BASIC 6 How TO PROGRAM CONTENTS IX

8.15.3 Hex$ and Oct$ 323 8.15.4 The Type Conversion Functions 324

8.16 String Formatting 327 8.16.1 Function Format $ and Named Numeric Formats 327 8.16.2 Function Format$ and User-Defined Numeric Formats 329 8.16.3 Function Forma tNwnher 333 8.16.4 Function FormatCurrency 335 8.16.5 Function FormatPercent 338

8.17 Date and Time Processing 340 8.18 Date and Time Formatting 348 8.19 String Arrays 353

8.19.1 A Card Shuffling and Dealing Simulation 356

Chapter 9 Graphics 371 9.1 Introduction 372 9.2 Coordinate Systems 372 9.3 Drawing Methods 374 9.4 Drawing Properties 382 9.5 Line Control and Shape Control 387 9.6 Colors 390 9.7 Images 398 9.8 Printer Object 400

~hapter 10 Basic Graphical User Interface Concepts 408 10.1 Introduction 409

.J" 10.2 Controls 409 10.3 TextBox Control 412 10.4 MaskEdi t Control 414 10.5 ComboBox Control 419 10.6 ListBox Control 423 10.7 Scrollbars 427 10.8 Slider Control 431 10.9 Menus 433

10.10 Pop-up Menus 437 10.11 Function MsgBox 438

Chapter 11 Advanced Graphical User Interface Concepts 458 11.1 Introduction 459 11.2 Multiple Document Interface (MD!) 459 11.3 Multiple Forms 469 11.4 Template Forms 475 11.5 Rich TextBox Control 480 11.6 UpDown Control 485 11.7 ImageList Control 489 11.8 ImageCombo Control 492

x CONTENTS VISUAL BASIC 6 How TO PROGRAM

11.9 FIatScrollBar Control (Professional and Enterprise Editions) 495 11.10 Native Code Compilation (Professional and Enterprise Editions) 498

Chapter 12 Mouse and Keyboard 508 12.1 Introduction 509 12.2 Changing the Shape of the Mouse Pointer 509 12.3 Mouse Events 512 12.4 Mouse Buttons 515 12.5 Shift, Ctrl and Al t Keys 517 12.6 Drag-and-Drop 520 12.7 Key Events 526 12.8 KeyPreview Property 529

Chapter 13 Error Handling and Debugging 537 13.1 Introduction 538 13.2 When Error Handling Should Be Used 539 13.3 A Simple Error-Handling Example: Divide by Zero 539 13.4 Nested On Error Statements 542 13.5 Err Object 544 13.6 Resume Statement 547 13.7 Error Handlers and the Call Stack 550 13.8 Rethrowing Errors 555 13.9 Break Mode, the Immediate Window, and the Debug Object 556

13.10 First Steps in Bug Prevention 559 13.11 Debugging Strategies 560 13.12 Debugger 562

13.12.1 Debug Menu and Debug Tool Bar 562 13.12.2 Locals Window 567 13.12.3 Watch Window 568 13.12.4 Call Stack Window 570

13.13 Debugger and Error Handlers 571

Chapter 14 Sequential File Processing 578 14.1 Introduction 579 14.2 DirList-Box,-Fi-leListBox, and DriveListBox

Controls 579 14.3 Data Hierarchy 583 14.4 File System Objects 584 14.5 Creating a Sequential Access File 599 14.6 Reading Data from a Sequential Access File 603 14.7 Updating Sequential Access Files 608

Chapter 15 Records and Random-Access Files 615 15.1 Introduction 616 15.2 Random-Access Files 616 15.3 Records as User-Defined Types 617

VISUAL BASIC 6 How TO PROGRAM CONTENTS XI

15.3.1 User-Defined Type Definitions 617 15.3.2 Manipulating Members of User-Defined Types 618

15.4 Creating a Random-Access File 619 15.5 Writing Data Randomly to a Random-Access File 624 15.6 Reading Data Sequentially from a Random-Access File 627 15.7 Reading Randomly from a Random-Access File 630 15.8 Example: A Transaction Processing Program 633

Chapter 16 Object-Oriented Programming 645 16.1 Introduction 646 16.2 Data Abstraction and Information Hiding 648 16.3 Implementing a Time Abstract Data Type with a Class 649 16.4 Class Members 653 16.5 Composition: Objects as Instance Variables of Other Classes 660 16.6 Introduction to Object-Oriented Programming 666 16.7 Software Engineering with Components 669 16.8 Type Fields and Select Case Statements 669 16.9 Polymorphism 670

16.10 Visual Basic Interfaces 671 16.11 Polymorphism Examples 671 16.12 Case Study: IShape, CPoint, CCircle 673 16.13 Case Study: A Payroll System Using Polymorphism 677 16.14 Case Study: Polymorphic Processing of Shapes 684 16.15 Simulating Implementation Inheritance with Interface Inheritance and

Delegation 688 16.16 Object Browser 694 16.17 Events and Classes 695

Chapter 17 ActiveX 708 17.1 Introduction 709 17.2 Components, COM and DCOM 709 17.3 ActiveX Control Types 713 17.4 ActiveX Control Lifetime and Events 715 17.5 UserControl Object 716 17.6 Creating an ActiveX Control That Contains Constituent Controls 717 17.7 ActiveX Control Example: Clock Control 724 17.8 ActiveX Control Interface Wizard 731 17.9 Property Pages and the Property Page Wizard 741

17.10 ActiveX DLLs 746 17.11 ActiveX EXEs 750 17.12 Friend Access 755

Chapter 18 Database Management 766 18.1 Introduction 767 18.2 Database Systems 768

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XII CONTENTS VISUAL BASIC 6 How TO PROGRAM

18.2.1 Advantages of Database Systems 768 18.2.2 Data Independence 768 18.2.3 Database Languages 769 18.2.4 Distributed Database 769

18.3 Relational Database Model 769 18.3.1 Relational Database 769

18.4 Introducing the Microsoft ADO Data Control 6.0 and Microsoft DataGrid Control 6.0 771

18.5 Relational Database Overview: The Biblio .mdb Database 776 18.6 Structured Query Language 779

18.6.1 Basic SELECT Query 780 18.6.2 WHERE Clause 780 18.6.3 ORDER BY Clause 781 18.6.4 Using INNER JOIN to Merge Data from Multiple Tables 782 18.6.5 All Titles Query from Biblio .mdb 783

18.7 Revisiting the ADO Data Control and DataGrid Control 784 18.8 Hierarchical FlexGrid Control 788 18.9 DataList and DataCombo Controls 789

18.9.1 Example: Using the DataCombo and DataList Controls 790 18.9.2 Using the BoundColumn Property 794

18.10 Using the Data Environment Designer 796 18.11 Other Programmatic Capabilities of Recordsets 801 18.12 Transaction Processing 801

Chapter 19 Networking, the Internet and the World Wide Web 808 19.1 Introduction 809 19.2 Visual Basic Internet Controls 810 19.3 WebBrowser Control 811 19.4 Internet Transfer Control 816

19.4.1 Hypertext Transfer Protocol (HTTP) Connections 816 19.4.2 File Transfer Protocol (FTP) Connections 818

19.5 Other Properties, Methods and Events of the Internet Transfer- Control 822

19.6 Winsock Control 823 19.6.1 Establishing a Simple Server (Using TCP Protocol) 823 19.6.2 Establishing a Simple Client (Using TCP Protocol) 825

19.7 Example: Client/Server Interaction with the Winsock Control 826 19.7.1 A Simple TCP-Based Server 826 19.7.2 A Simple TCP-Based Client 829 19.7.3 Outputs of the Client/Server Interactions 832

19.8 Winsock Control and UDP-Based Client/Server Computing 834 19.8.1 A Simple UDP-Based Server 834 19.8.2 A Simple UDP-Based Client 836 19.8.3 Outputs of the Client/Server Interactions 838

VISUAL BASIC 6 How TO PROGRAM CONTENTS XIII

1 19.9 Other Properties, Methods and Events of the Winsock Control 839

19.10 Visual Basic Script (VBScript@): An Overview 840

Chapter 20 Multimedia: Images, Animation, Audio 860 20.1 Introduction 861 20.2 Microsoft Agent Control 862 20.3 Multimedia MCI Control 870

20.3.1 A Multimedia MCI Control CD Player 872 20.3.2 A Multimedia MCI Control AVI File Player 874

20.4 Animation Control 876 20.5 RealAudio ActiveX Control Library 880 20.6 Marquee Control Library 882 20.7 Microsoft Acti veMovie Control 885

Chapter 21 Data Structures, Collections and Dictionaries 896 21.1 Introduction 897 21.2 Type variant 897 21.3 Self-Referential Classes 899 21.4 Dynamic Memory Allocation 900 21.5 Linked Lists 900 21.6 Stacks 912 21.7 Queues 915 21.8 Trees 917 21.9 Collection Object 924

21.10 Dictionary Object 928

Appendix A Operator Precedence Chart 944

AppendixB ANSI Character Set 946

Appendix C Visual Basic Internet and World Wide Web Resources 947 C.1 Visual Basic Web Resources 947 C.2 Microsoft Visual Basic Web Sites 947 C.3 Visual Basic Resources 948 C.4 FAQs 949 C.5 Tutorials for Learning VB 950 C.6 VB Newsgroups and Mailing lists 950 C.7 VB Books and Magazines 951 C.8 VB Products 952

AppendixD Number Systems 953 D.1 Introduction 954 D.2 Abbreviating Binary Numbers as Octal Numbers and

Hexadecimal Numbers 957

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XIV CONTENTS VISUAL BASIC 6 How TO PROGRAM

D.3 Converting Octal Numbers and Hexadecimal Numbers to Binary Numbers

DA Converting from Binary, Octal, or Hexadecimal to Decimal D.5 Converting from Decimal to Binary, Octal, or Hexadecimal D.6 Negative Binary Numbers: Two's Complement Notation

Bibliography

Lndex

958 958 959 961

967

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Index

... & mask character, 417 < mask character, 417 Accept method, 824, 828

& string concatenation operator, >= is greater than or equal to, 69 accept or deny a connection, 810 305,312 <= is less than or equal to, 69 Access, 768, 774

&H,323 <= relational operator, 150 access database, 309 &0,323 <!--,844 accessibility heuristic, 296 @ character, 13 9 ! character, 139 access keys, 425 + addition operator, 65, 67 ! exclamation point, 106,310 access method, 656 + sign, 333 :=,223 Accessories menu, 589 + string concatenation operator, %,329 accessor method, 654

305 • mask character, 417 access specifier, 695 - minus operator, 65, 67 I mask character, 417 AccessType property of - negation operator, 65-66 : mask character, 417 Internet Transfer - sign, 333 1,622 control, 822

-->,844 access types, 617

* multiplication operator, 65 accounts payable file, 584

* or I multiplication operator and accounts receivable, 602 floating-point division, 66

A accounts receivable file, 584 ? mask character, 417 Acknowledge, 867 #,332 A mask character, 417 acknowledgment of receipt, 823 # mask character, 417 a mask character, 417 • acs extension, 866 I division (float) operator, 65 A:,31 action, 669, 672 I mask character, 417 a: drive, 582-583 action/decision model of comput-\ division (Integer) operator, Abort button, 439 ing,95

'65,67 Abs function, 225 action/decision model of pro-\ mask character, 417 absence of color, 390 grarnming, 93 A exponentiation operator, 65-66 About, 477 action-oriented, 646 () parentheses, 66 absolute coordinates, 382 actions, 2, 11,89,94-95, 134, ,I, = is equal to, 69 absolute path, 591 160,164,649

< > is not equal to, 69 absolute value, 225 action symbol, 91

> is greater than, 69 abstract data type (ADT), 648 Acti vate, 717

> button, 733 abstract data type CTimel, 651 Activate method, 869

> mask character, 417 abstract method, 673 active child form, 468-468 1'1

< is less than, 69 abstraction, 590 active child window, 462

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972

active control, 542

Acti veMovie control, 885-887

ActiveMoviel_Error,887

ActiveX, 14,648,709-712

ActiveX Component, 754

ActiveX components, 14,709, 712, 746

ActiveX Control, 730

ActiveX control, 561, 669, 709, 713-714

ActiveX control FlatScroll­Bar, 495

ActiveX control ImageList, 489

ActiveX control interface wizard, 731-732,738

ActiveX Control Interface Wizard - Create Custom Interface Members dia­log, 734-735

ActiveX Control Interface Wizard - Finished! dia­log, 736

ActiveX Control Interface Wizard - Introduction dialog, 732-733

ActiveX Control Interface Wizard - Select Inter­face Members dialog, 732, 734

ActiveX Control Interface Wizard - Set Attributes dialog,735

ActiveX Control Interface Wizard - Set Mapping

ActiveX document, 709, 712 ActiveX EXE, 750-751, 753-756

ActiveX EXE, 753

ActiveX EXE project type, 750

ActiveX server, 709

Ada programming language, 9, 13

Add, 924, 926-927, . .932

Add Class Module, 649 Add Class Module dialog, 649

ActiveX DLL, 746-748

ActiveX Dll project, 747

ActiveX dynamic link library (DLL),746

Add Command, 798

Add Form, 469 Add Form dialog, 462, 475-476

Add Form from the Project menu, 461, 469

Add-In Manager dialog, 732-733

Add-In Manager ... from Add-Ins menu, 732

add-ins, 33

Add-Ins menu, 33 AddItem, 138, 147,257

AddItem comboBox method, 420

AddItem ListBox method, 424

adding Integers on a Web page using VBScript, 844

addition, 649 addition operator, +, 63, 65, 67

Add keylvalue pair, 930

Add MDI Form, 460

dialog,734-735 Add MD! Form dialog, 461

ActiveX Control Interface Add Module dialog, 226 Wizard Summary dialog,-- ___ _ Add Module from the 736 Proj ect menu, 226

ActiveX Control project type, Add 1 Second, 659-660 717-718 Add Procedure, 181

ActiveX controls, 409, 459, 480, Add Procedure dialog, 180-485,492 181,186,197

ActiveX controls for database processing, 15

ActiveX controls for networking, -15

ActiveX control's properties, 741

ActiveX Data Object (ADO) technology, 769, 773

Add Procedure menu item, 180

Add PropertyPa,ge.dialog, 741, 742

Add Property Pages from Project menu, 741

AddRef,71O

Add to Collection, 924

INDEX

Add Watch ... , 563, 568-569 addition, 670

"administrative" section of the computer, 4

address space, 747, 750

add to a project, 227

Add User Control dialog, 732 Add User Control from

Project menu, 732

ADO (ActiveX Data Object), 771, 773

Adobe Photoshop, 188

ADO Data Control control, 412,772-774,776,784, 786, 789, 794

ADO Data Control's Prop-erty Pages dialog, 774

ADODC Properties, 774, 789

ado prefix, 412

ADT,649

Advanced Optimizations, 498

Advanced String manipulation Exercises, 367

aggregate, 617

aggregate controls, 714

aggregate types, 618

aggregation, 660-661

airline reservation system, 294, 616

AlarmClock class, 661

alarmClockHourValue,656

algorithm, 89, 91-92, 924

aligning text, 375

Align property, 462

Align property constants, 463

AligIU1lent property, 38, 437, 488

Alert animation, 867-868

AlertReturn animation, 867

All local Variables as Stat-ics checkbox,197

AllowAddNew property, 787

--XlloWChangeDisplayMode property, 888

AllowDelete property of DataGrid, 787

AllowHideControls prop­erty,888

INDEX 973

AllowHideDisplayproperty, Appearance property, 32, 496, ASCII values, 309, 529 888 498 As clause, 63

AllowPrompt MaskedEdit Appearance property con- ASC specifies ascending, 781 control properties, 416 stants,496 As keyword, 62,182, 187

AllowUpdate property, 775, append character to a string, 312 ASC (ascending order), 782 792, 796 Append mode, 561 Asc function, 321

AllowUpdate property of Apple Computer, 5 As Obj ect, 694 DataGrid,776 Apple QuickTime video, 885 aspect ratio, 376-378

Alpha from Digital, 861 application designer, 669 aspect ratios greater than 1, 376 Alphabetic tab, 32 application development lan- aspect ratios less than 1, 376 alphabetical sequence, 309 guage,7 assign a value to an object, 656 alphabetizing names, 308 applications, 669 assignment, 694 Alt,518-519 App object, 752 assignment expression, 64 Altkey,425, 517-520, 526,528 arc, 12,376-378 assignment operator, =, 63 Alt +A, 426 arc angle, 377 assembler, 6 Alt +R, 426 Archive property, 580 assembly language, 6 ALU,4 arctangent, 225 Assert method, 559 Ambient, 715-716 Area, 673, 688 asterisk, *, 64, 780, 846 AmbientChanged event, 727 argument, 183,653 asterisk, *, pattern matching char-Ambient.ForeColor,728 argument passed call-by-value, acter,309 Ambient object, 726 190 asynchronous transfers, 816, 821 Ambient object properties, 727 arguments to a procedure, 182 AtEndOfLine property, 599 Ambient property changes for a arithmetic mean, 67 AtEndOfStreamproperty,599 container, 727 arithmetic and logic unit (ALU), 4 Atn function, 225 American National Standards arithmetic operator, 64 at sign character (@), 139 Institute (ANSI) character

arithmetic overflow, 538 attribute, 31, 590-591, 646, 666, set, 304 Arrange method, 468 668 American Standards Code for Arrange method constants and Attributes property, 595,801 Information Interchange

values, 468 audio, 16,834,874-875,879-880 (ASCII), 304

amount invested, 135 Array, 286-287 audio board, 861 array, 248, 648, 672-673, 677, audio CD, 872 ampersand (&:), 305-306,425

684,688,898,900-901 audio CD player, 873 amvFrames, 888 array declaration, 253 audio clip, 810 amvSeconds, 888

analog clock, 893 array index, 249 audio player, 870 array name, 248 audio walkthroughs, 16 Analytical Engine, 9 array parentheses, 259 Authors table, 773 I Anding,520

And (logical AND), 156 arrow, 91, 95, 98 Authors table from Bib- ! arrow cursor, 510 lio.mdb,777 i .ANI,509 arrow hourglass cursor, 510 AutoBuddy property, 488 animated characters, 16, 864, 869

! Arrows property, 495 auto list members, 184-185 ! animated cursor (.ANI file), 509

I animation, 16, 862, 866, 876 Arrows property constants, 495 Auto List Members, 185 artist, 894 automated teller machine, 616, Animation control, 876-877, ascending order, 263, 781, 784, 894

I 879

ANSI (American National Stan- 923 automatic, 197 ASC, 782, 796 automatically download files I dards Institute), 304

11 ANSI character, 417 ASCII, 304 from the Internet, 816 I, 1I

ANSI character set, 304 ASCII character, 619 automatic drag-and-drop, 520, ~ I ANSI C programming language ASCII character set, 309 524,526

I keywords, 506 ASCII code, 321 automatic storage class, 201 I

~ , ~ ~ ~ I

9 I .. ,-"U le

974

automatic variables, 912

automation, 712-713, 750, 753-754

Automation Manager, 713

AutoP~ay property, 879

auto quick info, 185,223,426, 758

Auto Quick Into, 185

AutoRewind property, 888

AutoStart property, 888

Auto Syntax Check option, 560

AutoTab MaskedEdi t control property, 416

automatic variable, 197-198

AutoRedraw, 385, 387, 397

AutoRedraw, 386

AutoRedrawproperty, 382, 386

Available Properties List-Box, 744

Avai~ab~eSpace property, 597

average, 67, 103

A VI (audio-video interleave) file, 874,885

AVI File, 876

AVI file animation, 876

AVI files, 874--875, 879

AVI player, 875

AVIVideo, 871, 875

B <B>, 841

</B>,841

Babbage, C., 9

Back, 870-872

BackCo~or, 468, 514, 726

BackColor property, 36, 390-391,395,461,727

background audio, 893

background color, 36, 724

backslash (\), 65

backslash (\) in a format string, 332

Backspace key, 34, 527

BackStyle property, 390, 879

BalloonHide event, 868

Ba~loonShow event, 868

banking system, 616

bar-code reader, 14

bar graph, 407

.bas,227

.bas file, 472

base case, 215, 217, 220

base 8, 323

base 16, 323

base string, 313, 315-316

BASIC (Beginner's All-purpose Symbolic Instruction Code), 7

batch processing, 4

Beep statement, 112

before or the after argument, 924

beginning-of-file indicator, 801

BeginTrans, 801

behavior, 590-591, 646, 648, 666, 668,672

Behavior property, 32

Bell Laboratories, 8

BF,376

Biblio.mdb database, 773-774,776,778-780,783-784, 786-787, 794, 797

Binary, 308

Binary Compatibility option, 754

binary data, 822

binary digit, 583

binary file, 709, 818

binary operator, 64, 157

binary search, 266, 269

binary search program, 269

biIlary search tree, 918, 922-924

binary tree, 898, 917-918, 924

binary tree delete, 940

binary tree search, 941

binary tree sort, 923

bind the server to a port for receiving packets, 835

BirthDate, 665

BirthDate Get procedure, 665

bit, 583

bit field, 518

bit manipulation, 518

bitmap, 399, 772

bitmap file, 459

INDEX

bitmap image, 398, 459, 730 bitmap type, 398

black (the default), 379, 391,393 514,526 '

blank, 94

blank line before and after each control structure, 131

blinking cursor, 54

block, 97

blue, 391, 393, 514

blue intensity, 390

• bmp image, 507

• bmp image file extension, 398

<BODY>, 841-842, 845, 849

</BODY>, 841-842, 846

body of a control structure, 97

body of the loop, 927

BOF (beginning-of-file) prop-erty,801

Bohm, C., 91,162

bombing, 105

Bookmark property, 789

Bookmark property of a Recordset, 801

Bookmark value, 801

Boolean, 327

Boolean data type, 153, 165

boolean value, 153

Boolean value False, 324

Boolean value True, 324

Boolean variable, 154

border, 401

BorderColor property, 387, 390

borderless PictureBox, 492

BorderStyle constants, 387

BorderStyle property, 387, 390,462,795

BorderWidth property, 387, 390

Borland International, 8

BoundColumn field, 789

Boundco~umn property, 789, 794--796

Bound Controls, 798

bound controls, 798

bounds of an array, 256

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INDEX

BoundText property, 789

box, 375

building block appearance, 161

building blocks, 89

branching logic, 670

Break button, 562

Break in Class Module, 571

break mode, 557-559, 562, 564, 571

Break on All Errors, 571

Break on Unhandled Errors, 571

breakpoint, 563, 566-567

Break toolbar button, 558

Break When Value Changes, 568

Break When Value Is True, 568

browse, 694

browser, 810, 845

bubble sort; 263, 299, 630

bucket sort, 299

buddy control, 485, 488

buffer audio, 882

buffer future audio, 882

bug, 655

Building Your Own Computer, 449

built-in data types, 649

built-in types, 649

business-critical systems, 13

business systems, 17

Busy property of Web Browser control, 815

button, 13,27-28,52,914

Button, 515, 518-518

Button bit field, 520

ButtonClick event, 872

ButtonCompleted event, 872

Button constants, 517

ButtonEnabled property, 871

ButtonGotFocus event, 872

Button intrinsic HTML control, 846-847

ButtonLostFocus event, 872

buttons appear gray, 28

button's event procedure, 54

Buttons tab, 511

ButtonVisible property, 871

975

Byte, 165,898 Cancel method of Internet

byte, 583 Transfer control, 822

Byte array, 818 Caps Lock key, 527

ByRef keyword, 191, 194 Caption, 75

BytesRecei ved property of Caption property, 34, 36-37,

WinSock control, 839 52,71,319,775,787,792,

Byron, Lord, 9 795-796

ByVal keyword, 190-191, 193, Caption TextBox, 436

260,683 Caption text font, 52

caret, A, 64

card shuffling and dealing pro-gram, 358, 644

C card shuffling and dealing simula-

tion,354,356

c, 676, 688 car radio, 30

C, 6--8, 13,646-647 cascade, 468

c:,31 cascade child windows, 468

C:\Program Case, 146

Files\Microsoft Case Else, 147,203

Visual Studio\Com- case-insensitive comparison, 309

mon\Graphics\Vid- case-sensitive, 62, 529, 781 eos,874 case-sensitive comparison, 309

C standard library, 647 casino, 201, 208 C++, 6-8, 13,647,666-667,670 Categorized tab, 32 CAccount superclass, 667 CBankAccount,653 cache, 815 CBool function, 324 calculation actions, 11 cbo ComboBox prefix, 423 calendar/tickler file, 894 cbo prefix, 410 Call, 183 CBoss,677 call, 810 CBoss2, 689-691, 693-694 call-by-reference, 190, 193,259 CBS Sportsline Live, 882 call-by-value, 190, 193 CByte function, 324 call-by-value bad for perfor- CCar,670

mance,190 CCarLoan subclass, 667 call-by-value versus call-by-ref- CCheckingAccount sub-

erence, 192 class, 667 call stack, 551

CCircle class definition, 675 callee,179,259,550,555

CCircle example, 675 caller, 179,259,550,570,912

CCircle Private, 676 calling attention to an image, 894

CCircle subclass, 666, 670-calling procedure, 550 671,673,676,684,688 Call ListItems,932 CCommissionWorker,677, Call ListKeys,932 683 Call Randomize,208 CCommissionWorker Calls RaiseAnEvent, 697 ImplementsIEm-call stack, 550, 555 ployee,683 Call Stack window, 570-571 CCommissionWorker2,693-Cancel, 473 694

Cancel button, 27, 74, 439 CCommunityMember,668

976

cc2AlignmentLeft con­stant,488

cc2AlignmentRight con-stant,488

cc2Both constant, 495

cc2LeftUp constant, 495

cc20rientationHorizont al constant, 488, 496

cc20rientationVertical constant, 488, 496

cc2RightDOwn constant, 495

cCube,671

CCur function, 324 CCylinder, 671, 684, 688

cd (change directories), 821

CDate function, 325

CDatel, 661, 664-665

CDatel object, 665

CDAudio,871-872

CDbl function, 325

CDec function, 326

CD-quality sound, 881

CD-ROM, 861 CDRom constant CD-ROM drive, 870, 872-873

cdup (change to parent directory), 821

CEmployee class, 656, 661, 665,668

CEmployee superclass, 667

CEmployee's ToString, 665

Cent er, 38

centering the form, 35 center mouse button, 515

Center property, 879

Centimeter scale, 373 centralized control, 768 central processing unit (CPU),.4 _

cEvent,695 CFacul tyMember subclass,

667 CGraduateStudent sub­

class, 666

Change, 735 Change ComboBox event pro­

cedure,420 Change event, 431, 579, 723,

733 Change TextBox event proce­

dure,413

Change scrollbar event proce­dure,429

Change Slider event proce­dure,431

character, 165,304,583

character is displayed on the screen, 868

character is hidden, 868

character is moved on the screen, 868

Character object, 866, 868-869

character processing, 304

characters, 12

Characters collection of the Microsoft Agent con­trol,868

Characters scale, 373

character set, 583

character's size, 868

character string, 11

checkbox, 28

CheckBox All Local vari­ables as Static, 181

CheckBox control, 30, 281-282, 409

CheckBox control (data aware), 771

CheckBox Create Symbolic Debug Info, 498

CheckBox Favor Pentium Pro(tm),498

CheckBox intrinsic HTML con-trol, 846-847

checked, 30

Checked CheckBox, 435

checked menu item, 435

··checkprotection,368

chess, 295, 298

chess board, 520

child, 918

child fo=, 461, 468-469

child window, 460, 464, 468

child windows tiled horizontally, 468

child windows tiled vertically, 468

chkMove,515

chk prefix, 409

INDEX

CHomeImprovementLoan subclass, 667

Choose, 147

CHourlyWorker, 677, 683

CHourlyWorker Imple-ments IEmployee, 683

Chr$ function, 321-322, 529 \Chr=string\, 869

CInt function, 326

circle, 12, 376-378, 388-389

Circle, 382-383, 401

Circle method, 374, 376, 382 Circular, 884

clarity, 10, 255, 654

CLaserBeam, 672

class, 646-649, 652, 660, 666-669,671,673,676,691, 694-695,900

class average, 103

class average problem, 106

class average program, 104, 107-109

class definition, 648, 653-654, 665

Classes ListBox, 694

class files, 649

class hierarchy, 671, 677

class implementation, 653

Class_Initialize, 664-665

Class_Initialize event procedure, 665

class library, 647, 669

class mechanism, 649

class module, 618, 647, 649, 747, 750, 755

class Name, 649

class name, 649, 694

Class1,649

class relationships, 591

Class_Terminate, 665

class type, 697

Clear, 257 Clear All Breakpoints, 563,

567 Clear ComboBox methods, 420

Clear ListBox method, 424

Clear method, 138,545

clear programs, 255

• J

INDEX

clear the off-screen image, 386

click,51

Click,511, 579,591-592

click button, 509

Click event procedure, 649

Clicked TextBox event pro-cedure,413

click link, 811

Click ListBox event proce-dure,424

click the mouse, 380

clicking, 27

clicking a line, 567

clicking event, 54

clicking the breakpoint, 567

client, 648, 650, 652-655, 810, 824-825,915

client application, 834

client closes its side of connec-tion, 832

client computer, 6, 810

client connection, 824

client connection attempt, 826

client of a class, 653

client of a stack class, 648

client/server application, 826

client/server application program-ming, 811

client/server computing, 6

client/server interaction, 834

client/server relationship, 810

clip, 375-376

CList, 901, 906-907, 910-912, 915,9l7

CListlterator, 906-907

cListlterator object, 910-911

CListNode, 899-900, 906-907,909

CLng function, 326

CLoan superclass, 667

clock,391

Clock ActiveX control, 725

Clock control, 725

Clock control, 728

Close, 836-837,870-871

close a connection, 826

Close button, 41

Close button icon, 42, 570

Close event procedure, 824, 828,831

closed shapes, 382

closed tour, 298

closely related special cases, 667

Close event procedure, 826

close New proj ect dialog, 27

Close #, 561 Close #1, 624

Close property, 600

closing a file, 603

closing projects, 33

close the connection, 810

• cls extension, 676

CMartian, 672

cmdAdd_Click, 660, 924, 930

cmdExists_Click,932

cmdOpenFile_Click,887

cmd prefix, 53

cmdRemoveAll_Click,932

cmdRemove_Click, 924, 932

CMercurian, 672

CMortgageLoan subclass, 667

COBOL (COmmon Business Ori-ented Language), 2, 8

Codd,769-770

code, 649

code bodies, 673, 676

code implementation, 670

code module, 226-228, 263

code window, 566

Code window, 54-55, 180-181, 186,227,434,676,697

Code window's Object box, 62

coin tossing, 201

collection, 16, 492

Collection, 897-898, 924-928

Collection object, 900

Col or, 398, 469, 933

color, 28, 57, 372, 376, 390, 392

color at a point, 379

color black, 379

Color Common Dialog, 396-397

color constants, 391

color depth, 398

color depth of one bit, 398

color depth of 16 bits, 398

color depth of 24 bits, 398

Color dialog, 394, 397-398

color images, 399

Color menu, 468

color red, 376, 379

colorvalue, 933 column, 271

977

Column property, 600

columns ListBox property, 424

COM, 14,648,710,712

COM-based object, 746

combination operation, 770

combining condition, 130

ComboBox, 412, 419, 462, 789, 885

comboBox control, 30, 410, 421-423,492

comboBox control (data aware), 771

comboBox properties, 419

comboBox styles, 420

Comboltems collection, 494

Comboltems'Selecte-dltem property, 495

COM Component, 709

COM foundation for ActiveX, 710

COM interface, 710

complex condition, 156

command-and-control software systems, 9

CommandButton, 52-53, 649, 885,887

CommandButton control, 30

CommandButton propeliy Style, 189

CommandBut ton with focus, 52

CommandButton without focus, 52

Command object, 773

Command object, 797-798

Command property, 870, 872, 874,876

Command Type, 788 Command Type ComboBox,

775 CommandType property, 792,

795-796

I

,~

978

comments, 56

commercial applications, 8

CommitTrans,801

commonality,668-669

Common Dialog control, 394-395

CommonDialog control, 411, 579,622,887

Common Dialog's Color property, 398

Common Programming Errors, 10

communities, 15

comparing character strings, 306

comparing strings, 307

comparison operators, 69, 93

comparison types, 309

compilation delay, 7

compile, 654

compile error, 57, 694

compiler, 7, 912, 654

Compile tab, 499

Compile to Native Code, 498

compiled program size, 498

Compile tab, 498

Component Tools Guide of the on-line Visual Basic Docu­mentation, 821-822, 839

componentware,710

composition, 660-661, 665, 688

compound interest, 135, 138

Compound Interest Calculator, 858

compound interest program, 136

compressed file, 459

compressed image, 399

computation, 3

computation-intensive programs, 498

Compute Interest, 653

computer, 3

computer-assisted instruction (CAl),241

Computer Engineering, 809

computer networking, 6

computer program, 3

computer programmer, 3

computers in education, 241

Computer Science, 809

computer simulator, 452

compiling directly to native code,

COM specification, 710

concatenation, 305-306, 312, 923

concatenation function Join, 498

COM+,711

component, 710

Component Object Model (COM),71O

component-oriented software construction, 14

components, 13-14,647,669, 709

Components;;;, 887 .

Components dialog, 394-395, 411,414-415,480,485, 489,492,495,730-731, 774,789,812,816,823, 825,887

Components ... from Project menu, 774, 789, 812, 816, 823,825

Components in the Project menu, 394

components of a For/Next header, 133

353

concentric circles, 407

condition, 69, 92-93, 95, 97,111, 130, 156

condition is False, 94

condition is True, 94

condition-value pairs, 97

Confused animation, 867

ConfusedReturn animation, ----- -- 86'7

Connect, 825

Connect event of Win Sock control, 840

connection, 810, 834

connection accepted, 810

connection between client and the server, 823

Connection object, 797

ConnectionRequest,824 connection string, 774

ConnectionStringproperty, 786,788,792,795-796

INDEX

Connection tab, 774

connection to a server, 831

connecting to a database, 31 412 797 ' ,

connecting to a remote machine 711 '

connectionless Protocol, 823

connection-oriented Protocol, 823

connection-oriented service, 810

connection-oriented transmission 834 '

connection-oriented transmission with streams, 834

connectionless service, 810

connectionless transmission with datagrams, 834

connector symbol, 92

conserve memory, 198

Const instance variable, 653

Const keyword, 842

consistent state, 656-657, 665

consistent controls, 714

constant, 694, 842

constant variable, 138, 154-155

constants for common colors, 390

constituent control, 716, 723

container, 462, 656, 673, 715

container class, 656

container file, 723

container for controls, 410

container object, 656

containment, 661

contiguously,901

control, 53, 409

control array, 274-275, 434, 520, 824

control array event procedures, 278

Control ComboBox, 735

control icon, 647

Control Panel, 509, 511

Control Panel's Regional Settings TextBox, 342

control's Index property, 275

controls passed to procedures, 202

control-structure nesting, 93

control structures, 11, 91, 94, 220

r INDEX 979

control-structure stacking, 93, Cparallelograms,672 CSphere, 671 159 CPieceWorker, 677, 683 CSquare, 670-673

controls, 13, 28-29 cPieceWorkerImplements cStack, 914, 917 control variable, 130-131 IEmployee, 683 CStaff,668 control variable in a For/Next C++ How to Program, 794 CStaffMember subclass, 667

structure, 134 CPlutonian,672 CStr function, 326 control variable name, 133 CPoint, 673, 676, 684, 688 CStudent superclass, 666 converge on the base case, 217 CPoint class definition, 674 CTimel, 649-650, 652-656 conversion functions for strings, CPoint example, 675 CTime2, 657, 659

321 CPoint Implements, 676 CTime2 object, 661 convert a string to a Date, 343 CPU, 4 . ctl extension, 717 convert a string to a number, 323 CQueue, 915, 917 CToyota, 670 convert a string to a Variant, craps, 208 CTree, 918, 922

327

convert a string to Boolean, 324 craps program, 209 cTreeNode,921-923

convert between scales, 374 crashing, 105 CTrapezoid, 672

converting between numbers and create ActiveX controls, 714 CTriangle subclass, 666, 670-

strings, 322 create an ActiveX control, 732 671,673

convert from polar to rectangular create an ActiveX DLL, 747 Ctrl,518-519

coordinates, 381 create control array option dialog, Ctrlkey, 425, 517-518, 520, 526-

convert number to hexadecimal 275 529

(base 16) format string, 323 create custom properties, 734 Ctrl + C,435

converting numbers with decimal created, 646 Ctrl + Q, 435

points to Integers, 182 Create Folder, 592 .ctx,717

converting strings to all uppercase CreateFolder method, 586, CUndergraduateStudent

letters, 320 590,592 subclass, 666

convert pseudocode to Visual creating and traversing a binary cursor, 398

Basic, 106 tree, 919 . cur, 523

coordinate pair, 372 CreateTextFile method, . cur image file extension, 398

coordinate system, 372-373 586,602 cursor file (. cur), 522

coordinate system scales, 373 Create TextFile tab, 636 cursor image (. CUR file), 398

coordinate (0, 0),372 creating colors, 393 Currency, 109, 135, 139-140,

copies Printer property, 400 CRectangle subclass, 666, 165,324

Copy method, 592, 595 670---{i71 Currency (at sign, @), 165

CopyFile method, 586 CRectangle Implements, "Currency" named numeric

CopyFolder method, 586 671 format, 328

Cos function, 225 credit balance, 606 Currency type declaration

cosine, 225 credit inquiry program, 606-607 character, @, 135

Count, 924, 932 credit processing program, 619 Currency values, 335

count downwards, 133, 150 critical icon, 440 current, 909

counter, 101, 106 crosshair cursor, 510 current day ofthe month ("d"),

counter-controlled loop, 149-150 crossword puzzle generator, 370 345

counter-controlled repetition, cryptograms, 366-367 current day ofthe year ("y"), 345

101,111-112,131-132, CSavingsAccount subclass, current directory, 40

134,220 667 current hour ("h"), 345

counter-controlled repetition with Cshape superclass, 666, 668, current minute ("n"), 345

the For/Next structure, 670 current month ("m"), 345 132 CSng function, 326 current.NextNode,909

Count property, 276 CSpaceShip, 672 CurrentPosi tion property, Courier bold, 102 C-SPAN Radio Live, 882 888

:; 980 INDEX

current quarter (nqn), 345 database management system Data Link Properties dialog's current record, 794 (DBMS), 584, 609, 768 Provider tab, 774

current second (n s n), 345 Database Object ComboBox, DataList control, 412, 789-

Current State property, 888 798 790,793-794

currentURL property, 884 database provider, 774 DataList control (data aware)

current week (nwwn), 345 database sublanguage (DSL), 769 771 '

current weekday (nwn), 345 database system, 768 DataList property, 789

CurrentX, 375, 382, 513 database technology, 15 data manipulation language

Currenty, 375, 382 513 data-bound control, 797, 800 (DML),769

custom colors, 390 data collected in a survey, 253 data manipulations, 655

customize a form, 28-29, 716 DataCombo and DataList DataMember (data aware), 773

customizing a UserControl, control properties, 789 DataRepeater control (data

716 DataCombo control, 412, 789- aware), 772

customizing the environment, 33 790,794-795 data representation, 649, 652

custom member, 735 DataCombo control (data data representation of the ADT,

aware), 771 649 custom properties, methods and data component, 647 Data Source area of General

events, 734 Data control, 29-31, 410, 771 tab, 798

cut, 33 data definition language (DLL), DataSource property, 775, CVar function, 327 769 787-789,792,796 CVenutian,672 data dependent, 769 data structures, 16,248,898,901,

cy,688 data-driven application, 796 912,915,924

cyan, 391, 393, 514 Data Environment Designer, data type, 649, 932

cyber classroom, 16-17 772-773,775,796-800 data type Boolean, 153

Data Environment Designer data type Double, 135

window, 797 data types, 164-165

Data Environment object, data type Single, 106

D 772 data type String, 304--305

DataField (data aware), 773 data types that have type-declara-

Dartmouth College, 7 DataField property, 799 tion characters, 165

DAT,871 DataFields property, 789, 796 data type Variant, 898

dat prefix for database, 410 data files, 579 data validation, 655

Data, 899, 921-922 DataFormat (data aware), 773 date, 147, 165

data, 649 datagram, 823, 834 Date, 304, 325-326, 340-341,

data abstraction, 648, 666 DataGrid control, 412, 771, 343,348

Da taArri val event procedure, 773-776,784,786-788, DateAdd function, 345-346

824--825 793, 798 date and time functions, 340

data aware, 648 DataGrid control (data aware), DateCreated property, 592,

771 595 data-aware application, 771 DataGrid control events, 784 Date data type, 165,340 data-aware controls, 771-772, DataGrid control methods, 784 DateDiff function, 345-346

779-780

Database, 308 DataGrid control properties, Date function, 341

784-785 Da teLas tAcces sed property, database, 31, 309, 584, 633, 648 data hierarchy, 584--585 592,594--595 database access, 8 data independence, 768 Da teLastModi f ied property, database ActiveX controls, 412 data integrity, 656, 823 592,594-595 database controls, 411 Data Link Properties dialog, Date literal, 342

database language, 769 774-775,797 DatePart function, 344-345

database lookup, 811 Data Link Properties dialog's date representation, 326

database management, 15 Connection tab, 774 date separator, 417

-

~

INDEX 981

DateSerial function, 342, 344 declarations, 74, 90, 131, 181, DeleteFolder method, 586, date/time formats of function 652,661 590

Format, 349 declarations at the beginning of a Delete key, 34, 527, 569, 787 DateTimePicker control procedure, 74 Delete method, 592, 595

(data aware), 772 declared implicitly, 63 Delete tab, 638 DateValue function, 342-343 declaring arrays, 249 deleting an item from a binary Day function, 340-341 decrement, 133 tree, 924

dBase, 768 definite repetition, 101 deletion, 670, 898, 901

.DB Paradox database file exten- design, 159 delimiter, 356 sion designer, 669 Delphi,8

dbc prefix, 412 design-time, 392, 394 demonstrating an object with DblClick,511 design-time instance, 715 member objects, 661

DblClick ListBox event pro- design-time instance container, Department of Defense (DOD), 9 cedure, 424 716 dequeue, 917

dbl prefix, 412 design-time instance control, 716 Dequeue, 915, 917 DBMS, 768 . design-time properties, 426 Dequeue value, 917 DCOM, 14,648,711-713 design-time property Scroll- derived data types, 617 DDE property, 32 Bars, 483 DESC, 782 D: drive, 730, 748 deep indentation, 96 descending order, 781 Deactivate, 717 deeply nested structures, 161 DESC specifies descending, 781 dealing algorithm, 357 default, 653 description pane, 694 deallocate memory at run-time, default comparison type is Description property 544-

279 Binary, 308 545,547 debit balance, 606 default coordinate system, 373- design mode, 40, 57, 556-558 debug, 8, 11, 159 374 design time, 54, 774 Debug, 539 default cursor, 510 destructive read-in, 64 Debug.Assert, 559 default lower bound of 0, 253 device-driver object, 673 Debug button, 558 default mouse pointer, 509 device-independent drawing area, debugged,666 default names, 29, 649 401

debugger, 541,560,562 default printer, 400-401 DeviceName Printer prop-

debuggercommands, 562 default properties, methods and erties, 400

debugging, 13, 152,557,565, events, 732 devices, 3

567,655,670 default property, 75 DeviceType property, 871-

debugging strategies, 560 default value, 664 872,875

Debug menu, 33, 558, 562-563, default values for Optional dgd prefix, 412

568-569 arguments, 222 DHTML (Dynamic HTML), 16

Debug menu, 562 default Visual Basic data type, Diagram menu, 33

Debug. print, 559 165 dialog,57

Debug object, 559 degrees, 377 diamond, 94-95

Debug toolbar, 562-563, 567 degrees converted to radians, 377 diamond symbol, 92-93, 98, 134

Decimal, 326 deitel@deitel.com,17 DialogTitle property, 622

decimal digit, 583 delegating, 688 . dib image file extension, 398

decimal point (.), 11, 140,323 delegation, 647, 666, 670, 688- dice game, 208

Decimal Point key, 527 689,693 dice-rolling program, 206, 256

decimal separator, 329, 331 delete, 33 dictionaries, 16

decisions, 2-3, 69, 94-95, 134, delete (remove a file), 821 Dictionary, 897-898, 928, 164 delete a record, 787 930-933

decision symbol, 92-93 DeleteFile method, 586 Dictionary object, 928

deck of cards, 356-357 Delete Folder, 592 die rolling program, 299

-

a 982

INDEX 1 die simulation, 256 distributed database, 769 Double (pound sign, i), 165 j

Digital, 861 divide and conquer, 12, 178, 180 double quotes (" "), 64, 109,304 digital clock, 893 divide by zero, 538 double-selection(If/Thenl digital clock ActiveX control, 724 divide-by-zero error, 539, 546 Else) structure, 161

DigitalVideo,871 division, 649 double-selection structure, 92, 95,

digit placeholder, 332 division by zero, 105, 197,649 140, 159

digits, 583 Division (float), 65 Double type declaration charac-

digits 0-9, 323 Division (Integer), 65, 67 ter, #, 135

Dim, 62, 90, 228, 249,278 dlgOpen, 622 doubleword boundaries, 619

Dim with Const in a declaration, dlg prefix for Common Dia- Do Until, 92

155 log controls, 394, 411 Do Until/Loop repetition

Dim with Public or Private, DLL,561 structure, 100, 109, 149,

228 .DLL extension, 748 151, 160, 164

dir (show a directory listing of the document, 11,459 Do While, 92

current directory), 821 documentation, 713 Do While/Loop repetition

direct-access, 616, 630 Document object, 850 structure, 99-100

directory, 579, 591 Documents Collection, Do While/Loop structure, 131,

directory path, 579 713 147, 149, 151, 160, 163

directory structure, 579 DOD,9 down-arrow button, 36

dir prefix, 410, 583 DoEvents function, 479 down-arrow key, 775

DirListBox control, 30-31, dollars, 140 download synchronously, 818

410,579-581,583,591- dollar sign ($), 139,304 drag, 13,31,647

592,597 Do/Loop Until, 92, 130, 149-Drag, 524

DirListBox Path, 582 151, 160, 164 drag-and-drop, 509, 520, 522,

disable an error handler, 555, 571 Do/Loop While, 92, 130, 148-712,798-799

disabled, 28 149, 151, 160, 164 drag-and-drop interface, 710

disabled button, 29 Do/Loop While repetition DragDrop, 521, 524-525

disabled sizing handle, 35 structure, 147 DragDrop property, 520

disabling error handlers, 541 Done event, 872 DragIcon property, 520, 523-

Don't show this dialog in the 524,580 disk, 3---4, 13 future CheckBox, 26 Drag method, 580 disk drives, 31 dot operator (.), 618 DragMode property, 520, 524, display, 656 Do traversals, 918 580, 727 Display, 683, 693, 901, 910- Double, 135, 140,327,898 DragOver event procedure, 520

911,914,917,927 double-clicking, 26-27, 51, 509, DragOver, 524

DisplayAsDefault property, 694 draw, 12 727 draw a rectangle, 376

displaying a line of text, 33 double-clicking a code module,

227 draw circles, ellipses, sectors and displaying images, 31 double-clicking an object, 54 arcs on the form, 378 Display method, 669 double-clicking the • exe ftle in draw circles on a form or control, DisplayMode property, 888 Windows Explorer, 498 374

DisplayName property, 727 double-clicking the mouse, 514 drawing area, 401

display text, 30 double-clicking with the left drawing as a solid, 383

DISTINCT, 793 mouse button, 26 drawing circles, 31

distributed application, 715 double-click speed, 511 drawing color, 386, 393

distributed client/server applica- Double data type, 165 drawing dash and dot combina-

tions,6 double-precision floating-point tion,384

Distributed COM (DCOM), 711 numbers, 165 drawing dash, dot, dot combina-

distributed computing, 5, 8,709, double-precision, floating-point tion,384

712 value, 325 drawing dashes, 383

-

r INDEX 983

drawing dots, 383 Dri veListBoxcontrol, 30-31, electronic-mail packages, 12

drawing graphics, 387 410,579-581,583,598 element, 673, 677

drawing in a PictureBox, 386 driver name, 400, 402 element of an array, 248

drawing inside the solid, 384 DriverName Printer prop- elements, 911, 932-933

drawing in the ForeColor, 383 erties,400 elements. HasMoreltems,

drawing in white, 383 drives, 579 911

drawing is invisible, 384 drive structure, 579 elements in an array, 677

drawing lines, 31 Dri veType property, 597 elements. Next Item, 911

drawing lines and rectangles, 376 drop, 13 8-3 format, 594 DropDown ComboBox proce- Eight Queens, 298, 535 draw lines and rectangles on the

dures,420 Eight Queens: Brute Force form, 376 drop-down list, 419-420, 494 Approaches, 298 drawing lines with Line control, drop the knight, 524 Eject, 870-871 387

drawing methods, 374, 382 drv prefix, 410, 583 ellipse, 12,376-378,388-389

drawing on forms, 374 dummy value, 103 ellipses button, 728 duplicate elimination, 923 ellipses with aspect ratios greater drawing program, 535 dynamically, 900 than 1, 376

drawing properties, 382 dynamically size an array, 283 ellipses with aspect ratios less

drawing spirals, 392 dynamic array, 248, 278, 282-283 than 1, 376

drawing text with method dynamic array program, 280 Else block of an If/Then!

Print, 375 dynamic audio and graphical El se structure, 97

draw lines and rectangles between kaleidoscope, 894 Elself, 96, 140

two sets of coordinates, 375 dynamic binding, 694 Else-part, 96

draw lines on a form or control, dynamic customized newsletter, embedded parentheses, 66

374 893 • emf image file extension, 398

Draw message, 673 dynamic data structures, 898 \Emp\,869

Draw method, 670, 672 Dynamic HTML, 811, 850 employeel, 665

DrawMode, 385-386 dynamic memory allocation, employee2, 665

DrawMode property, 382, 384 900-901 empty parentheses, 258 DrawMode property constants, Dynamic Stock Portfolio Evalua- empty record, 620

383 tion,858 empty shells, 673 DrawMode's default, 382 "dynamic" Web pages, 16 empty string, .... , 64, 196 DrawMode values, 382, 390

EnableContextMenu prop-DrawStYle,385-386 erty,888 DrawStyle property, 382, 384 Enabled, 254, 727 DrawStyle property constants,

E Enabled CheckBox, 435 383-384

Enabled ComboBox proper-DrawStyle's default value, 383 e,694 ties, 419 DrawStyle values, 383 early binding, 694 enabled error handler, 551 draw text on a form or control, earpiece of the telephone, 810 enabled control, 529

374 Earnings method, 677, 684, Enabled ListBox property, DrawWidth property, 382 691 424 drive, 584 e.Display,684 Enabled property, 61, 580 Drive, 583, 586, 591, 594 Edit, 27 Enabled scrollbar property, 428 DriveExits method, 586 Edit menu, 33 enabled sizing handle, 35 Drive FSO, 598 Edit Watch ... , 563, 569 Enabled MaskedEdi t control Drive property, 592, 595 Editor tab, 73 properties, 416

DriveLetter property, 597, Editor Format tab in the Enabled Slider property, 599 Options dialog, 58 431

984

Enabled TextBox property, 413

EnablePositionControls property, 888

EnableSelectioncon-troIs property, 888

EnableTracker property, 888

encapsulate, 14, 591

encapsulated, 646

encapsulate data, 646

encapsulation, 647, 653, 666

enclosing arguments in parenthe-ses, (), 183, 190

encryption, 366

End button, 41-42

EndDoc,401

End Enum, 214

End Function, 198

End If, 75, 95, 97-98

ending index, 485

end of a line, 599

end of a stream, 599

end of data entry, 103

end-of-file indicator, 800

End Select, 146-147

End statement, 57, 467

End Sub, 54,181-182,193,198, 539

endValue,781

End Width, 488

engineering applications, 8

English (United States), 342

enhanced controls, 714

enhanced metafile, 772

enhanced windows meta file, 398

enqueue,917

Enqueue, 915, 91T

Enter, 695

Enter, 659

Enter key, 34, 57,185,527

Enterprise Edition of Visual Basic, 9-10, 26, 411, 713, 822, 839

enterprise-level applications, 711

enterprise systems development, 17

Entity Integrity, 778, 788

entry point, 93

enumeration, 213-214

enumeration constants, 213

enumerator object, 673

EOF (1), 630

E-,333

e-:333

E+,333

equality operators, 156, 158

equality operators with Strings, 306

equal likelihood, 203

Erase, 280

Erase keyword, 279

Erase statement, 354

Err methods 544

Err object, 544--546, 555

Err object properties and meth-ods,545

Err properties, 545

error, 654

Error, 327, 545

Error event procedure, 825

error handler, 538-539, 554

error handling, 538, 550

error handling and debugging, 13

error-handling code, 542

error-handling code when using the WebBrowser control, 814

error-handling strategy, 538

ErrorMessage property, 871

Error property, 871

error trap, 541

error-trapping code, 542

Err properties 544

Err. Raise, 555

Err's Raise method, 555

Escape key, 527

Event, 180,695,697

event, 51, 647-649, 694

EVENT attribute, 850

event-driven programming, 2-3, 51,54,646

Event EventName, 695, 697

event handling, 9

event monitoring state, 51, 542

EventName, 697

EventName Event, 697

INDEX

event procedure, 51-52, 54, 56-57,62,178,227,664,665, 683

event procedure cmdAdd-_Click, 660

Events Public by default, 722 event type, 54

Excel, 712, 714

exceptional situations, 13

exclamation mark icon, 440

exclamation point, !, 310

exclamation point (!) Single type-declaration character 106 '

Execute method, 821

exercises, 17

executable, 7,131,756

executable file, 498, 822

executable statement, 90

execution-time, 901

execution-time environment, 672

execution-time error, 911

.exe file, 498, 754

exhausting memory, 217

existing classes, 666

Existing tab, 26

EXisting tab of New Project dialog

Exists, 931-932

exit, 656

Exit Do, 130, 151-152

Exit For, 130, 151-152

Exit Function, 194, 196-197,215,562

exit point, 93

Exit Property statement, 656

Exit Sub, 194, 196--197,215, 542,555,562,923

expanded menu, 434

Exp function, 225

explicitly set a reference, 665

"explosion" of calls, 220

exponential complexity, 220

exponential "explosion" of calls, 220

exponential function e", 225

exponentation, 64-67

expo~nts, 333

d

INDEX

expose, 716, 722

exposed properties, methods and events, 728

expression as a index, 248

Extender, 715-716

Extender object, 727

Extender properties, 727

extensible language, 649, 652

extensibility, 672

extension .DLL, 748

external identifiers, 198

F F AA (Federal Aviation Adminis­

tration), 13

factorial, 215

False, 69, 75, 92-94, 153,324, 887-888,907,911

FAT, 599

fatal error, 538-539, 542, 551

fatal logic errors, 98, 105

fatal run-time errors, 562

FAT32,599

fault-tolerant, 538

Fibonacci series, 217, 301

field, 584, 770, 788

Fields object, 801

file, 13,579,584

File, 27, 586, 592, 594, 602

file downloading, 811, 815

FileExits method, 586, 603

File FSO, 593

File icons, 33

file 110, 810

File menu, 33, 590, 592

file open mode, 602

file position pointer, 630

File properties and methods, 592

file server, 915

file system object (FSO), 584, 586,599

FileListBox control, 30-31, 410,579-583,591-592, 594

Filename, 622

FileName property, 876, 887

FileSystem method, 599

FileSystem property, 597

FileSystemObject type, 586-587,591-593,596, 598,602-603

FileTitle property, 622-623

File Transfer Protocol (FTP), 811, 816

File variable, 603

fill, 376

FillColor,390

fill not visible, 384

fill solid, 384

FillStyle, 385-386, 390

FillStyle property, 382

FillStyle's default value, 384

Fillstyle values, 384

fill with crossing horizontal and vertical lines, 384

fill with diagonal lines, 384

fill with horizontal lines, 384

fill with upward and downward diagonal crossing lines, 384

fill with vertical lines, 384

film strip, 879

fil prefix, 410, 583

filter, 622

Filter function, 354--355

filtering, 355

Filter property, 622

final value of a loop counter, 149-150

final value of the control variable, 130,133

find, 33

Find, 485

fire an event, 723

firing an event, 695

first condition is False, 111

first-in, first-out (FIFO) data structure, 915

FirstName, 665, 693

first record, 776

first refinement, 104, 111

Fixed, 110,599

fixed-length string, 305

fixed-length record, 616-618

985

"Fixed" named numeric for­mat, 328

fixed-size array, 248, 250, 278, 283,285

Fix function, 226

flag 1,332

flag.,331

flag E+OO, 333

flag #, 332

flag value, 103

FlatScrollBar,497--498

FlatScrollBar control, 411, 495

FlatScrollBar control inter­face, 496

FlatScrollBar control tool­box icon, 495

FlexGrid, 788

FlexGrid control (data aware), 772

flex prefix, 412

floating-point division, 65-67

floating-point division operator (I), 109-110

floating-point number, 65, 106, 109-110,165

floating-point type, 135

floating-point value less than 1, 339

floating-point values, 131

floating-point values automati-cally rounded, 331

floppy drive, 582

flowchart, 91, 95, 98, 134

flowcharting a For/Next repeti-tion structure, 134

flowcharting the Do/Loop Until repetition structure, 150

flowcharting the Do/LOOp While repetition structure, 148

flow charting the double-selection If/Then/Else structure, 95

flowcharting the select Case multiple-selection structure, 141

flowcharting Visual Basic's sequence structure, 92

986

flower shape, 393 flowlines, 91, 93

flow of control, 98, 100, 134, 150-151

flow of control for error handling, 562

F9key,566

focus, 53, 41, 418, 423, 443, 462, 542,872

folder, 40, 584

Folder, 594

FolderExits method, 586, 592

Folder FSO, 595

Folder properties and methods, 595

Folder type, 586 font, 373

font choices, 58

Font property, 32, 38, 52, 71, 727

font size, 38, 58 Font size, 728

font style, 28

Font window, 38-39

ForAppending, 602-603

ForeColor property, 38, 383, 386,514,526,528,547, 727-729

foreground and background col-ors,51

foreign key, 779

For EachiNext, 924, 927

For keyword, 133

form, 27-28, 51, 747

<FORM>, 846, 849

</FORM>,846

Form, 517

form atrributes, 28

Form_Click, 514

Form_Click event procedure, 380

form creation, 197 Form_Dblclick,514

form icon, 461

Form_Initialize, 753

Form_KeyDown, 527

Form_KeYPress,528

Form Layout window, 27-28, 31,33,35

Form_Load, 214, 255, 386, 471, 484,488,498,524,527, 652,665,683

Form_Load event, 688

form module, 178, 226-228, 250, 618,652,659,695

Form_MouseDown,437513

Form_MouseUp 513

form placement, 51

form's ForeColor property, 398

form's Picture property, 399

Form_Terminate, 753

form title bar, 214, 460

format, 110 format Currency, 139

FormatCurrency function, 335-337

FormatDateTime function, 348-349

format flag e+, 333

format flag 0, 331

Format$, 257, 271, 327-329

Format$ function, 110, 139, 178,186,348

Format MaskedEdit control properties, 416

Format menu, 33

FormatNwnber function, 333, 335,337

FormatPercent function, 338-340

format string" c", 353

format string "ddd", 352

format string" dddd", 352

format string" ddddd", 353

format string "dddddd", 353

foI1l1at string "d-mmm-yy", 352

format string" d-IIIIIIIIIIIl-yy", 352

format string "Hh:Nn:Ss AMI PM", 353

format string "IIIIIIIIIIIld, yyyy", 352

format string "ttttt", 353

formatted input/output, 608

formatted String, 139

formatting, 656

formatting flags, 329 formatting numeric values, 333

INDEX

formatting percentages, 338 form module, 649

Forms folder, 29

form's background color, 36

Forms Layout window, 474-475

form's Name property, 34 form's Print button, 228

form's title bar, 34

Form_Terminate, 603

Form_Unload, 472-473

form Width, 376 For/Next, 92

For/Next loop, 134

For/Next repetition Structure, 132

For/Next structure, 130, 133, 139,151,160,164,932

For Random keywords ForReading, 603

For statement, 688

For structure with arrays, 273

FORTRAN (FORmula TRANsla-tor), 7-8

forwarding, 912

forwards, 912

forward slash (I), 65

Forwri ting mode, 602-603

FoxPro,768 fractional part, 65

Frame control, 30, 208, 211,410

Frames, 871

Frame Scope, 180

Frames property, 871

Frame Type, 180

fra prefix, 410

FreeSpace property, 597, 599

frequency and duration of Beep, 112

Friend access, 755-758

Friend procedure, 756

• frm extension, 716

· frm file, 723 FROM clause, 782 FROM clause of a SELECT query,

782

FROM query keyword, 779

• frx files, 717 fsb preflx, 411, 495

--

INDEX

fsbFlat constant, 496

fsbScroll_Change,498

fsb3D constant, 496

fsbTrack3D constant, 496

FSO,586

FTP (File Transfer Protocol), 811, 816

FTP get command, 821

FTPprotocol, 816, 818

FTP root directory, 818

FTP server, 821

FTP server to which to connect, 818

FTP site, 821

Full Module View, 73

FullScreenMode,887

function, 646, 669

functionality, 689

function Array, 286-287

function Asc, 321

function call, 653

function CBool, 324

function CByte, 324

function CCur, 324

function CDate, 325

function CDbl, 325

function CDec, 326

function Choose, 147

function CInt, 326

function Chr$, 321

function CLng, 326

function CSng, 326

function CStr, 326

function CVar, 327

function Date, 341

function DateAdd, 345-346

function DateDiff, 346

function DatePart, 344-345

function DateSerial, 344

function DateValue, 343

function Day, 341

function Error, 545

function Fil ter, 354-355

function Format, 348

function FormatCurrency, 335-337

function FormatDateTime, 348-349

function Format$, 110, 139, 327-329

function Format $ and user­defined numeric formats, 329

function FormatNumber, 333, 335

function FormatPercent, 338-340

function Hex$, 323

function Hour, 347

function IIf, 95

function InputBox, 74, 109

function InStr, 313-314

function InStrRev, 315-316

function Int, 201

function IsDate, 342-343

function IsNumeric, 322-323

function keys, 527

function LBound, 251

function Len, 311

function LTrim$, 317

function MsgBox, 438

function Mid$, 311-312, 319

function Minute, 347

function Month, 342

function MonthName, 342

function Now, 147,340

function Oct$, 323

Function procedure, 11, 164, 178,186-187,214-215

Function procedure body, 186

Function procedure header, 186-187

Function procedure name, 186

function QBColor, 393

function Replace, 319

function RGB, 390-391

function Rnd, 201, 203, 206

function Second, 347

function Space$, 317

function Split, 355-356, 365

function Str$, 322

function StrComp, 306-307

function String$, 317

function StrReverse, 319-320

function Switch, 97

function Time, 346

function Timer, 208, 347

987

function TimeSerial, 348

function TimeValue, 348

function UBound, 251

function Val, 322-323

function WeekDay, 341, 344, 346

function WeekDayName, 341

function Year, 342

G gambling casino, 201

game of craps, 214

game playing, 201

game-playing program, 201

garbage collection, 900

garbage values, 106

"General Date", 350

general declaration, 62, 73, 145, 200,227,649

"General Number" named numeric format, 328

General tab, 416,571

Genie, 862, 867

Genie, 864, 866

geometric shapes, 398

German (Standard), 342

gesture, 869

GestureAt method, 869

get, 655-656

Get, 689, 693

GetAbsolutePathName method, 586, 591

GetChunk method, 822

get command, 821

GetData, 824-825, 836-837

GetDri ve method, 587

. GetDriveName method, 587, 592

GetFile method, 587, 594, 602

GetFileName method, 587

GetFolder method, 587, 597

GetHeader method for the Internet Transfer control, 822

Get IEmployee2 First­Name, 693

988

Get method, 869

getmethod,654-655

GetNumTicks Slider prop-erty,431

GetParentFolderName method, 587, 592

Get #1,629,633

Get statement, 630, 637-638

GetTempName method, 587

.gif, 257, 517, 592 GIP,772

GIP image, 398

.gif image file extension, 398

glitch,8

globe icon, 812

Go,548-549 golden mean, 218

golden ratio, 218

go left, 923

go right, 923

GoSerach method Web­Browser control, 815

GotFocus, 542

GotFocus Co!DboBox proce­dures, 420

GotFocus ListBox event pro­cedure, 424

GotFocus scrollbar event pro­cedure, 429

Got Focus Slider event pro­cedure, 431

Got Focus TextBox event pro-cedure,4l3

goto elimination, 91

goto-less programming, 91

goto statement, 91, 161

graphical-based language, 8

graphical representlltion of an algorithm, 91

graphical representation of a binary tree, 918

graphical representation of a linked list, 901

Graphical setting of Style property

graphical user interface (GUI), 7, 9,12-13,16,27,51,409

graphical user interface develop­ment, 8

graphics, 8, 372, 861

Graphics Interchange Fo=at (GIP),398

graphics software package, 12

greater than, 111

greatest common divisor (GCD), 243

gray margin indicator, 566

green, 383, 391, 393, 514

green intensity, 390

green triangle identifying a proce-dure's calling point, 571

grid,35,716

GROUP BY query keyword, 779

grouping control, 30 GUI, 7,16,27-28,54,409,647,

659

GUI components, l3

GUI elements, 649

H halfword,619

handshake point, 831

hard disk, l3

hard drive, 579

hardware, 2-3

hardware costs, 15

hanging up a phone, 810

hangman, 366,407

hash marks, 724-725

"has a" relationship, 665, 667

HasMoreItems, 911

HAVING query keyword, 779

<HEAD>, 841-843, 849

</HEAD>, 841-842, 845, 849 ----neaG, 898

head of the queue, 915

Height, 376, 385

Height property, 31, 869

Help, 276, 539

helper method, 653

Help menu, 27, 33

heterogeneous computer systems, 810

heuristic, 296

Hex$ function, 323-324

hexadecimal format, 324

hexadecimal values, 323 hidden, 653

Hide event, 868 Hide method, 468

Hidden property, 580

HideSelection, 484 Hideselection

INDEX

MaskedEdi t control property, 416

hide text, 57

hiding implementation details, 179,711

high color images, 398

highest-numbered index value, 251

highlighted, 29

highlighted red, 566

highlighted yellow, 565

highlighting characters, 484

high-speed networks, 880

hierarchical boss procedure/ worker procedure relation­ship, 179

Hierarchical (data aware), 772

Hierarchical Flex Grid, 798

Hierarchical FlexGrid control, 412, 788-789

hierarchical form of management, 179

hierarchical relationship, 667

hierarchical structure, 667

hierarchy, 669, 671, 673, 689 high-level language, 6-7, 9

HireDate, 665

history list mechanism, 811

history lists, 811, 814

history of Visual Basic, 7 home page, 814

host container, 714

hosting ActiveX controls, 811 host language, 769

horizontal coordinate, 372 Horizontal Rule, 845

horizontal scrollbars, 4l3, 429, 484

horse race, 894

Hour, 656

Hour function, 346-347

a

r r

I ~

INDEX

hourglass cursor, 510

hourglass icon, 219

HourlyWorker,683

Hour property, 655

<HR> tag, 845, 849

hsb horizontal scrollbar prefix, 431

hsbScroll Change, 735

hsbScroll LargeChange, 735

hsb, vsb prefix, 410

HScrollBar control, 30-31, 427-428

hsbScroll's Max property, 429

hsbScroll.Value,431

<HTML>, 840-841, 842

</HTML>, 840, 841, 846

HTML (Hypertext Markup Lan-guage),16,481,815

HTML document, 822, 840-841

HTML form, 846

HTML overview, 840

HTTP (Hypertext Transfer Proto­col), 811, 816, 869

HTTP download application, 818

http://msdn.micro­soft.com/script­ing/default/htm,840

http://premium.micro-soft.com/msdn/ library, 850

HTTPprotocol, 811

http://www.audionet­.com,881

http://www.microsoft­.com/workshop/ default. asp, 850

http:www.microsoft.­com/workshop/ime­dia,862

http:www.microsoft.-com/workshop/ime­dia/agent, 862, 866

http://www.ncsa.­uiuc.edu/demoweb/ url-primer.html,811

http://www.on-air.co~

880

http://www.real.com. 880

http://www.timecast.­com,880

http://www.timecast.­com/stations/ index. html, 880

http://www.w3 .org, 811, 840

hWnd property, 714

hyperlinking, 16, 811

Hypertext Markup Language (HTML), 16,481,840

HyperText Transfer Protocol (HTTP), 811, 816

I IAgentCtlCharacter,866

IAgentCtlCharacter inter­face, 866-868

IAgentCtlCharacter method Hide, 868

IAgentCtlCharacter method Show, 868

I-beam cursor, 509-510

IBM,S

IBM Corporation, 7

IBM Personal Computer,S

iCDirect, 822

icError state, 822

icNameProxy, 822

• ico extension, 214, 398, 523

icon, 772

icon file (. ico), 523

icon image, 398

icon image, 214

Icon property, 214

icons, 33

icuseDefault,822

UDE,9,11,26,29,57

UDE break mode, 562

UDE design mode, 40, 42

IDE during execution, 41

UDE feature, 185

UDE menu bar, 32

identifier, 62

identifier's storage class, 197

IDeviceDriver,673

989

IDrawableSpaceObject, 672

IEmployee, 677, 689

IEmployee reference, 683

IEmployee2, 689, 691, 693-694

If/Then block, 75

If/Then control structure, 95

If/Then/Else control struc-ture, 94--95, 97, 109

If/Then/Else double-selec­tion structure, 140, 163

If/Then/Else selection struc­ture, 92, 95, 97, 164

If/Then/Else structure, 159, 214

If/Then statement, 70

I f/Then selection structure, 92, 94

I f/Then single-selection struc-ture, 140, 163

If/Then structure, 69, 159

Ignore button, 439

IIf, 95,178

IIS,840

Us prefix, 412, 489

image, 16,373,398,822,861

Image, 517, 714

ImageBox, 465

ImageCombo ActiveX control, 715

ImageCombo control, 411, 489, 492-495

ImageCombo control (data aware), 772

ImageCombo control toolbox icon, 492

Image control, 30-31, 202, 399, 410,470

Image control (data aware), 772

image flasher, 893

image formats, 372

ImageList,492

ImageList control, 412, 489-491

ImageList control toolbox icon, 489

ImageList's Property Pages dialog, 489-491

image on a button, 188

990

image quality, 398

image types supported by Visual Basic, 399

Image variable, 203

image zooming, 894

imgcbo prefix, 411, 492

img prefix, 410

immediate access, 616

Immediate window, 40-41, 558-559

implemented, 693

implementing interface, 673

implementation, 646, 648, 653, 655,666,671,676-677, 689-691,693

implementation details, 591

implementation inheritance, 666, 670,688-689

implements, 648, 656

Implements, 672-673, 676, 688-689

Implements IEmployee2, 690,693

Implements interface, 677

Implements IShape, 676

implicity,653

implied loop-continuation condi-tion,132

Inch scale, 373

inconsistency, 768

incrementing, 132

increment, 659

Increment, 488

increment array index, 256

increment (or decrement) by which the control variable is

index bounds, 278

Index comboBox property, 419

indexed lists, 943

indexes begin at numbers other than 0,248

Index ListBox property, 424

Index property, 275-276, 484

index range, 273

Index Slider property, 431

Index scrollbar property, 428

Index TextBox property, 413, 492

infinite loop, 98, 100, 149-150, 217,220,560

infinitely, 110

infinite recursion, 217, 220

infinite repetition, 101

infinity symbol, 779

information hiding, 591, 646, 648,653,666

information packet, 915

inherit, 669, 688

inheritance, 647, 666-669, 688

inheritance by delegation, 666

inheritance hierarchy, 668, 670

inheritance relationship, 667

inherited interface member, 676

inherit interface, 671

inherit the instance variable and instance methods, 666

initialization, 134

initialization phase, 104, 108

initialize, 661

initialize an array, 250

initialized, 652

modified each time through Initialize event, 665 the loop; 130--------- ---------initializerFlags, 570

increment of a For/Next struc- initialize total variables to 0, 106

ture, 133 initializing array elements to 0, increment of control variable, 133 251

indefinite postponement, 357

indefinite repetition, 103

indentation, 56, 94, 96-97, 131, 147

indentation convention, 94

indentation in a query, 783

independent software vendor (ISV), 33, 669

index, 248

initial value ofthe control vari­able, 130, 133

InitProperties,738

InitProperties eventproce­dure,723

inline scripting code, 842

inline VBScript code responding to an event, 848

INNER JOIN, 782, 784, 793

INDEX

INNER JOIN operation, 782-783 innerloop,112

innermost pair of parentheses, 66 inner scope, 198

inorder, 918

InorderHelper, 922-923

InorderTraversal,922-923

in-place activation, 714

in-process, 750

in-process component, 746 input, 11, 27

input actions, 11

InputBox, 72, 74, 109, 111, 477,842

input device, 4

input dialog, 70, 74

input focus, 872

input/output actions, 160

input stream, 810

<INPUT> tag, 846

input unit, 4

Insert, 918, 922

Insert, 922

InsertAtBack, 907-909, 912

InsertAtFront,907-908

insert/delete anywhere in a linked list, 942

insertion, 898, 901

Insert key, 527

Insert Picture ... , 490

insertURL, 884

instance, 715

instance method, 666-667

instance of a class, 647-648, 665

instance variable, 647, 650, 652-657,660-661,664-667, 669,695

instant-access application, 616

instant access processing, 633

instantiate, 646-647,661,671, 688,914,917

instantiate an object of a class

instantiated, 652, 671, 673, 690

InStr function, 312-315, 317

InStr and InStrRev, 316-317

InStrRev function, 315-316

integer, 932

-

I

l

INDEX

Integer, 60, 62,106,131,164, 326,647-648,650,652, 664,898

Integer arguments, 650

Integer data type, 165

Integer division, 65-66

integer division operator (\), 64, 109-110

integer index, 924

Integer (percent sign, %), 165

Integer remainder after Integer division, 65

integers, 918

Integer type declaration char­acter,62

Integer variable, 650

IntergralHeight property, 789

integrated development environ-ment (IDE), 9, 11,26,556

integrity, 768

Intel,861

interactive animated characters, 862

interactive Web pages, 16

interactivity, 16

interest rate, 135

InterestRate, 655

interface, 591, 647-648, 655, 667, 671-672,676-677,710, 912

interface class, 671, 673

interface inheritance, 666, 670, 673,688-689

interface inheritance example, 673

interface name, 676

internal class data, 655

Internet, 15,709, 809, 880, 882

Internet-based applications, 15

Internet Explorer browser, 811,814-815,840-841, 845,880,882,850

Internet Explorer 4.0, 498

Internet Explorer 4.0+, 715

Internet Information Server (lIS), 840

Internet IP address, 825

Internet Options ... from View menu, 814

internet-related controls, 811

internet search, 811

Internet Transfer control, 821-823,825

interoperability,710

interpreter program, 7

interprocess communication, 750

Interrupt method, 869

interval, 31

Interval property, 391

Int function, 225

intranet, 709

intrinsic control, 409, 411-412, 419,427,579

invalid port number, 828

invalid value, 650

inventory file, 584

Inverse, 383

Inverse, 399

inverse of an image, 383, 399-400

inverse of black, 383

inverse of green, 383

inverse of the display color, 383

inverse of vb Copy Pen, 383

inverse of vb Mask Pen, 383

inverse of vb Merge Pen, 383

inverse ofvbXorPen, 383

inverse operation on a bitrnap, 399

invoke, 649, 652-653,672, 677

invoke a procedure, 179

invoking a procedure, 180

IP address, 825-826, 831, 834

IP address for the server, 831, 837

IP address of computer that sent packet, 836, 838

IP address of remote machine, 831,837

IP address of the client, 828

IP address 127.0.0.1, 825

IQuadrilateral,671--672

iRef, 676, 683

"is a" relationship, 667

ISBN number, 777, 783

Is key in Dictionary already?, 932

IsDate function, 343

IsEmpty, 907-908

IsEmpty method, 656

IsFull,656

991

IShape, 673, 676, 684, 912, 917

IShape_Area,676

IShape example, 675

IShape interface, 673

IShape_Name, 676

IShape_ToString,676

IShape2, 684

IsNumeric function, 322-323

IsQueueEmpty,917

IsReady property, 597

IsRootFolder property, 595, 597

IsSoundCardEnabied method, 889

IsStackEmpty,912

ISV controls, 714

Item, 924-925 931

Items, 932

iterate, 924, 927

iterating, 907

iteration, 112, 220-221

iteration of a loop, 103

iterative solution, 221

iterative version of function BinarySearch,269

Iterator, 907, 910, 912, 917

iterator, 673, 911

iterator class, 673

iterators, 912

IThreeDimensionalOb-ject,671

ITwoDimensionalObject, 671

ITwoDimensionalShape, 673

IUnknown, 710

J Jacopini, G., 91, 162

Java, 8-9, 647, 666,670

join, 770-771

Join function, 353

joining tables, 782

job, 4

992

Joint Photographic Experts Group (JPEG),399

JPEG,772

JPEG image format, 399

• jpg image file extension, 399

K karaoke, 894

Kemeny, J., 7

key, 509, 928

KeyAscii variable, 529, 531

keyboard, 3-5, 11, 13,409, 509, 862

keyboard events, 13, 526

KeyCode parameter, 528

KeyDown, 526, 528

KeyDown TextBox event pro-cedure,413

key event constants, 527

key events, 509, 526, 528

keypad,614

keypad numeric keys, 527

KeyPress event, 526, 529, 531

KeYPreview property, 529-530

Keys, 933

KeyUp, 526, 531

KeyUp TextBox event proce-dure,413

key value, 266

key/value pairs, 928, 932

keyword, 57, 62, 92, 506

keyword ByVal, 260

keyword Event~ 695.

keyword Implements, 671

keyword ParamArray, 285

keyword ReDim, 278

keyword Set, 665

keyword Step, 382

keyword To, 257

keyword TypeOf, 694

keyword New, 649, 900

keyword Public, 653

keyword WithEvents, 697

KillDoc,401

kinetics, 894

KIS ("keep it simple"), 10

knight, 522

Knight's Tour, 295, 535

Knight's Tour: Brute Force Approach, 297

Knight's Tour: Closed Tour Test, 298

Kurtz, T., 7

L Label, 51, 71, 74,101,714,717

Label control, 30, 33, 36, 410

Label control (data aware), 772

Label's Alignment property, 437

Label's BackColor property, 38

Label's BackStyle property, 38

Label's Caption property, 36

LabelScrollbar ActiveX control, 719

Label's default property is Caption, 75

Label's font size, 38

Label's text, 38

LAN,5 LANGUAGE attribute, 850

LANGUAGE of a script, 844

late binding, 694

LargeChange property, 432, 496,498,733,735

LargeChange scrollbar prop­erty,428

LargeChange Slider prop­erty,431

last-in, fIrst-out, 912

last-in, first-out (LIFO) data structure, 648, 912

last-in, first-out order, 648, 912

LastName, 665, 693

last record, 776

layered software system, 672

lbl prefIx, 410

lblRemoved.Caption,925

LBound, 251, 254, 273, 276, 484

LBound statement

LCase$ function, 320

leading spaces, 317, 323

leaf node, 918, 922

INDEX

Learning Edition of Visual Basic 9-10,411 '

least significant bits, 520

Left, 921

left-arrow key, 775

left button, 515

left child, 918

left-justification, 139

Left Justify, 38

left mouse button, 26, 31, 515-516

Left property, 869

left subtree, 918, 921-922-923

left-to-right order, 67

Left$ function, 312-315, 365

LEN, 623,626, 629

LenB,622

Len function, 311

length of current track, 871

Length property, 871

less than or equal to, 111

Let IEmployee2, 693

Let keyword, 63

Let mFirstName, 689

letter, 583

level-order binary tree traversal, 941

level-order traversal of a binary tree, 924

levels of nesting, 112

library, 694

lifetime, 197

lifetime of ActiveX controls, 715

lifetime of a COM component, 710

lightweight controls, 714-715

Like operator, 309-310, 780-781

limericks, 365, 893

line, 12

Line, 376, 383, 387,401

line-continuation character, _, 75, 95, 736

Line control, 30-31, 387-389, 410

INDEX

Line control icon, 387

line length and position, 387

Line method, 374-375, 382

Line property, 600

linear data structures, 917

linear search, 266, 269

linear search program, 267

Line Step, 382

"lingo" of the field, 11

linked list, 648, 656, 667, 673, 897-898,900-901,906, 912,917

link member, 912

links, 900

lin prefix for Line controls, 388,410

list, 16,912

List, 327,329, 789

list and queues without Tail refer­ences, 942

ListBox, 138, 185,412,901, 927

ListBox control, 410, 428

ListBox control (data aware), 772

ListBox intrinsic control, 423

ListBox lstItems, 932

ListBox lstKeys, 932

ListBox property Sorted, 426

ListBox styles, 425

list class, 912

List ComboBox property, 419

List control, 30

ListCount comboBox prop­erty,419

ListCount ListBox prop-erty,424

ListCount property, 423, 5'80

Listen, 828

listening for events, 51

Listen method, 824

listen to your voice, 16

ListFields property, 789, 792, 796

ListImage index, 494

ListImage object

ListImages, 492

ListImages Collection, 492

ListIndex ComboBox prop­erty,419

ListIndex ListBox prop­erty,424

ListIndex property, 423, 580, 594,597

list.InsertAtBack,917

list.InsertAtFront,912

List is empty, 901, 908-909

list. IsEmpty, 912,917

ListItems, 932

List. Iterator, 911

list. Iterator, 912, 917

List ListBox property, 424

ListKeys, 932

List property, 580, 583

list. RemoveFromFront, 912,917

literal characters, 417

live audio, 880

live-code examples, 17

live video, 880

Load,717

load an image into memory, 190

LoadFile, 484

Load method, 467, 472, 479

LoadPicture, 517, 521, 524

LoadPicture function, 178, 190,203,257

Load/Unloaded, 732

local area network (LAN), 5

local array, 249

local document viewing, 811

local dynamic arrays, 278

LocaleID property, 727

localHost, 825, 831, 837

localHost connection, 832

LocalHostIP property of Winsock control, 839

LocalHostName property of Winsock control, 839

local machine, 825, 835

LocalPort property, 823, 828

LocalPort property of win-Sock control, 839

local processing, 769

local scope, 198

Locals window, 567-568

Locals Window, 567, 570

local variable, 198-199,203, 567-568,652

993

local variables declared Static, 198,201

location, 248

LocationName property Web­Browser control, 815

LocationURL property Web­Browser control, 815

Locked ComboBox property, 419

Locked TextBox property, 413

logarithm, 226

.log extension, 561

log file, 561

Log function, 226

logging changes to a database, 801

logical decision, 3

logical operators, 130, 156

logical negation, 156

logical negation operator, 157-158

logical units, 4

logic errors, 69, 98, 104-105, 110, 133, 191, 665

Login,477

Logo language, 300

Long, 145,213,248,326,695, 898

Long (ampersand, &),165

Long data type, 165

"Long Date",350

long name format, 594

"Long Time",350

Long type declaration character, &,145

Long value representing a color, 390

look-and-feel,398

Look-and-Feel Observations, 10

loop, 105, 112

loop body, 103

loop-continuation condition, 131-133, 147-148-149-150

loop-continuation condition fails, 220

loop-continuation test, 100, 103, 132

994 INDEX 1 loop counter, 130, 252 manipulating colors, 390 MCI Control Shareable LoopsX property, 885 manipulating text, 480 property, 875

LoopsY property, 885 manual drag-and-drop, 520---521, MCI Control Update-

LostFocus, 542 524 Interval property, 875

LostFocus comboBox proce- "manufacturing" section of the MCI Control Wait property,

dures, 420 computer, 4 875

LostFocus event, 423 mapping, 735 MCI device, 871

LostFocus ListBox event margin indicator bar, 54, 58, mciModeNotOpen, 871

procedure, 424 566 mciModepause, 871, 876

LostFocus scrollbar event pro- Marlowe, Christopher, 367 mciModePlay, 871, 876 cedure, 429 Marquee control, 882, 885 mciModeReady, 871

LostFocus Slider event pro- marshaling, 750 mciModeRecord, 871 cedure,431 mask,141 mciModeSeek,871

LostFocus TextBox event Masked Edit control (data mciModeStop, 871 procedure, 413 aware),772 mCommission, 683

lost packets, 81O Mask MaskedEdi t control mCommissionworker, 693 Lovelace, A., 9 property, 412, 414-419, mCommissionworker's lower bound, 250-251, 253, 257 600,602-603,714 FirstName, 693 lower bound of 1, 254 masked off, 520 mCommissionworker2,693 lower bound of 0, 253 masking, 142 mDay, 664 lowercase letters, 320, 417 masking characters, 141 "m/d/yy",351 lower-right corner, 373 MatchEntry property, 789 MD! application, 460 lowest-numbered index value, math functions, 225

MD! child form, 465 251 Maximize button, 464

MD! child form icon, 461 \Lst\,869 Max property, 488, 496, 498, 733

MDIChild property, 461-462, lstItems, 932 MaxLength MaskedEdi t 468-469 lstKeys, 933 control properties, 416

MDI child window, 463 1st ListBox prefix, 410, 426 MaxLength property, 62

MDIform, 460-461 LTrim$ function, 317-318 MaxLength TextBox prop-

MDI parent form, 462, 466-468 lstOUtput,911 erty,413

MDI parent form icon, 461 Max scrollbar property, 428

Max Slider property, 431 MD! parent window, 463

mBankBalance, 653 MDI parent window Caption,

mBirthDate, 656, 661, 665 465

M mBookmark,910---911 mean, 67

mBookmark.Data, 911 media, 871

m-by-n array, 272 mBookrnark.NextNode, 911

Media Control Interface (MCI),

machine code, 498 870

machine dependent, 6 mB()ss, 693-:-694

"Medium Date", 350 MCIcommand,871

machine language, 6,709 MCI Control, 870-872, 875

"Medium Time", 351

machine language code, 10,912 MCI Control Command prop-member, 584,667,694-695

Macintosh, 12 erty, 876 member access specifier, 653

magenta, 383, 391, 393, 514 MCI Control DeviceType Member Options dialog, 728

magnetic disk, 579 property, 875 Members ListBox, 694

mail, 823, 834 MCI Control FileName memory, 3, 669

Make Project dialog, 730-731, property, 876 memory exhaustion, 538

748 MCI Control Mode property, memory unit, 4

Make Project1.exe ... , 498 876 mEmployee, 690, 693

make your point, 208 MCI Control Notify prop- mEmployee's FirstName,

manipulating a linked list, 902 erty, 872, 875 693

.,--f

q

r INDEX 995

mEmployeeRef,693 mFirstName, 661, 665, 689 Microsoft Scripting Runtime, 928 eEmployeeRef CBoss2, 693 mFirstNode,907-910 Microsoft Scripting Runt-menu, 13,27 mFirstNode.Data,907-908 ime, 585-586, 928 menu bar, 27, 32 mFirstNode.NextNode,909 Microsoft's COM (Component

menu control arrays, 434 mHireDate, 661, 665 Object Model), 647

Menu Editor dialog, 434-437, mHour, 650, 652, 654-655, 657, Microsoft's Internet Explorer,

462 659,683 810

menu is grayed (or disabled), 435 Microsoft Access database, 309, Microsoft's MFC (Microsoft

menu item, 434 768, 774 Foundation Classes), 647

menu summary, 33 Microsoft ActiveMovie Con- Microsoft Visual Studio 6.0,

Merlin, 862, 864, 867 trol,887 713

message, 591 Microsoft ADO Data Control Microsoft Web site, 840, 862, 868

MessageReflect property, 6.0,774, 789 Microsoft Windows, 9, 51

727 Microsoft Agent, 862, 867 Microsoft Windows Com-

metafile, 772 Microsoft Agent animated char- mon Controls 6.0, 489, 492

method, 646, 648, 653-657, 661, acters,866 Microsoft Windows Com-

665,672,676,688,694 Microsoft Agent Character Edi-mon Controls-2 6.0, 485,

method calls, 653, 665, 672 tor, 862 495,879

method Circle, 376 Microsoft Agent control, 864-Microsoft Windows, 7

method definition, 654 865,868 Microsoft Winsock Control

method Form_Load, 471 Microsoft Agent control event 6.0, 823, 825

method Line, 375, 387 procedures, 867

Microsoft Word, 459, 509, 747 Microsoft Agent Control 1.5,

method MoveTo of the 864 Microsoft Word 8.0 Object

IAgentCtlCharacter Microsoft Agent documenta-

Library, 712 interface, 868

tion,868 Microsoft Word Pad, 480

method name, 676 Microsoft Agent events, 868

Mid$ function, 311-312, 319, method of the class, 665 365 method Paintpicture, 399

Microsoft Agent speech engine, middle button, 515

870 method Play, 867

Microsoft Agent Web site, 862 middle element of an array, 266

method Play of interface Microsoft-based systems, 6

MIDI (Music Instrument Digital IAgentCtlCharacter, Interface) audio, 885 867 Microsoft Chart control (data MIDIsequencer,870

method Print, 374 aware), 772

midnight, 347 method Print Form, 402

Microsoft Common Dialog Millimeter scale, 373

Control 6.0, 394-395, 622 method PSet, 379-380

Microsoft DataGrid Control milliseconds, 391, 870

method SavePicture, 399 6.0,789 Minimize button, 464

method Scale, 373-374 Microsoft Internet technologies, Min property, 488, 496, 498, 733

method Scalex, 374 850 Min scrollbar property, 429

method ShowColor, 398 Microsoft Internet Transfer Min Slider property, 431

methods of a class, 650, 653 Control 6.0, 816 minus sign character (-), 377

method Speak, 867 Microsoft Jet 3.51 OlE DB Minute function, 346-347

method Speak of the IAgent- Provider, 774, 797 Misc property, 32

CtlCharacter interface, Microsoft Linguistic Sound mission-critical computing, 13 867-868 Editing Tool, 862 mkdir (make a directory), 821

method Textwidth, 375 Microsoft Multimedia Con- mLastName, 661, 665, 689 metric conversion program, 369 trol 6.0, 872 mLastNode,907-91O mEventRaiser, 697 Microsoft Paint, 188,730 mLastNode. Data, 908-909 mEventRaiser_EventName, Microsoft Rich TextBox mLeft,921-922

697 Control 6.0, 480 mLeft • Data, 922

996 1"

INDEX

mMinute, 650, 652, 654, 657, mouse, 12-13,380,409,509,862 MovieWindOWSize property, 659 mouse button, 12,516-517 888

MMMovie, 871 mouse button contents, 515 moving the mouse, 13, 509 mMonth, 661, 664 "mouse" device, 4 MPEG (Motion Pictures Experts mMyCollection,924 mouse event, 13, 509 Group) audio and video,

mMyCollection- MouseDown, 515, 522 885

. Item(index), 925 MouseDown event procedure, mQuantitY,683

mMyDictionary,930 511,517 mQueue,917

mNextNode, 899,906 MouseDown procedure, 437, 512 mRadius, 676

mNodeData, 899, 906, 922 mouse events, 511-514 mRight, 921-922

mNullIber, 695, 697 MouseMove event, 515, 517 mRight . Data, 922

mnu Menu prefix, 434 MouseMove event procedure, mRoot,922

Mod, 64-65, 67 511 mSalary, 683

modal, 74, 394, 471, 475, 550 mouse pointer, 13,29,31,398, mSecond, 650, 652, 657, 659-

modal Color dialog, 398 416,509,724 660

modal dialog, 539 mouse pointer changes shape, 31 MsgBOX,843

modal forms, 470, 472 MousePointerComboBox MsgBox constant, 439, 443, 901,

modal References dialog, 585 property, 419 908-909,932

modeling, 591 MousePointer constants, 510 MsgBox constant for icons, 440

mode of MC I devices, 871 MousePointer ListBox MsgBox dialog, 439-440, 442

Mode property, 871, 876 property, 424 MsgBox function, 438, 442, 477

modifiability, 648 MousePointerMaskedEdit MsgBox icons, 440

modification, 655 control property, 416 MsgBox is modal, 440

modality, 440 mouse pointer passes over an MsgBox return value, 441

module, 178, 689, 694 item, 423 mShapeType, 669

module array, 249 MousePointer property, 219, msk prefix, 412

module dynamic arrays, 278 509, 511, 580 MS Sans Serif, 38, 61

module scope, 198,214 MousePointer scrollbar prop- MS Sans Serif Bold 12 pt, 52

module-level variable, 145-146, erty,429 mStack,914

650 MousePointer Slider prop- msvbvm60.dll,498

module variables, 198-200, 227, erty,431

mTree,918

256,591 MousePointer TextBox mTree.InsertNode,918

modulus operator, Mod, 64-67 property, 413

MUI,16

monetary amounts, 109 mouse pointing device

multidimensional array, 271-273

monetary calculations, 135, 140, Mouse properties dialog's

multidimensional array program, 324

Button tab, 511 273

monetary values,16,5 MouseUp, 515

multilined TextBox, 414

monochrome images, 398 "--MotisEiUpevent,511

MultiLine property, 484, 787

monolithic construction, 11-12 MouseUp event procedure, 517 multiline TextBox, 314

monolithic program, 221 mouthpiece of the telephone, 810 MultiLine TextBox prop-

Monotone, 869 mOutputString,923 erty,413

Month function, 340, 342 Move event, 868 multimedia, 8, 16,411,809,861

MonthName function, 340, 342 MoveFile method, 587 multimedia-based Simpletron

MonthView control (data MoveFolder method, 587 Simulator, 894

aware), 772 Move method, 592, 595 multimedia cyber classroom, 16

More ActiveX Designers ... , MoveNext procedure, 800 Mul timedia MCI Control,

797 MovePrevious procedure, 801 870-875

Morse Code, 246, 369, 858 move windows, 509 multimedia user interface, 16

most significant bits, 520 movies, 16 multiple calls, 660

INDEX

multiple document interface (MD!) application, 459

multiple forms, 461, 469-470, 475

mUltiple inheritance, 667

multiple interfaces, 648, 667

multiple-line If/Then or If/ Then/Else statements, 98

multiplication, 649

MultiSelect ListBox prop­erty,424

MultiSelect property, 580

MultiSelect property values, 425

multiple selection, 140

multiple selection in a ListBox, 425

multiple-selection structure, 92

multiplication, 64-66

multiprogramming, 5

multitasking, 9

multithreaded Visual Basic pro-grams, 9

multithreading, 8-9

"Murphy's Law", 13

music, 16

mutator method, 655

mWage,683 mWageperpiece,683

mWeeklySalary, 677, 691

mx,676

mY, 676

mYear, 661, 664

N Name, 671, 673,688

NAME, 846, 849

Name ComboBox, 728

name of a control variable, 130

name of an array, 249

Name property, 34, 52, 71, 467, 592,595,649,869

named arguments, 223-225

named constants, 213

named numeric formats, 328

named numeric formats, 327

NASA (the National Aeronautics and Space Administration), 13

NASA Live, 882

native code, 10,459,498,754

native code executable, 498

"natural Language" of a particular computer, 6

natural logarithm, 226

Navigate method of Web-Browser control, 815

navigation, 811, 815

negation, 66

negation operator, -,65

negative angles, 377

negative exponent, 333

negative integer, 649

negative value, 323

n elements, 924

nested, 111

nested building blocks, 161, 163

nested control structures, 110, 140, 161

nested error handlers 544

nested For loops, 266, 273

nested For/Next loops, 133

nested For structure, 357

nested INNER JOIN operation, 783

nested loops, 112

nested On Error statements, 543

nested parentheses, 68

nested repetition structure, 112

nested structures, 161

nested transaction, 801

nesting, 93-95, 110, 164

nesting rules, 161

Netscape's Communicator, 810

Networked Morse Code, 858

Networked Simpletron Simulator, 858

Networked Tic-Tac-Toe, 858

network programming, 15

networking, 6, 8, 15,411

New, 649, 652, 660-661, 688, 697,924

New CListNode, 907-908

new folder, 40

997

Newlndex ComboBox prop­erty,420

Newlndex ListBox property, 424

Newlndex property, 423

New keyword, 591

newline,94

NewPage, 401

New Project dialog, 26-27, 717-718

New Project from File menu, 717

New Record tab, 637

New tab of New Project dialog, 26

Next, 132, 870-871

Nextltem, 910-911

NextNode, 899, 907-908

next record, 77 6

node. Data, 923

nodes, 900-901

nodeToAdd, 900

nondestructive read-in, 64

nonfatallogic errors, 98

non-interlaced GIP images

nonlinear, two-dimensional data structures, 917

non-masking characters, 417

nonrecursive procedure calls, 912

non-Static local variable, 197

nonzero area, 676

Normal, 869

Not, 310

Not (logical NOT), 156-157

Notepad, 459, 481

Nothing, 594, 660-661, 665, 753,899-900,907,909-910,912,918,922-923

Nothing reference, 899

Notify property, 871-872, 875

not ready, 583

noun, 647

Now function, 147,344,349

Mull, 97, 147,327,908-910

Mull values, 333

Mumber property 544-545

number with a decimal point, 106

numeric codes, 304, 308

numeric data, 12

numeric keys, 527

998

o object, 52, 590, 646-648, 652,

657,660,665-666,668-669,672-673,677,694,900

object-based programming (OBP),647

Object box, 53, 55, 676 Object Browser, 694, 728-729

Object Browser from View menu, 728

Object Browser window, 694-695

Object ComboBox, 722

Object data type, 165 Object Linking and Embedding

(OLE),712 object name, 184 object of a class, 649-650, 672

object-oriented, 650 object-oriented analysis and

design, 710 object-oriented design process,

669 object-oriented language, 666 object-oriented operating system,

673 object-oriented programming

(OOP), 2-3, 8, 591, 646-647,653,666-667,669-670,673

object-oriented system, 669 object orientation, 666 object properties, 71 object reference, 661, 672 Obj ect reference, 694 objects of that superclass, 668 object speak, 646 _ _ __ __

object technology, 14

object think, 646 object wakeUp, 649

octal format, 324 octal values, 323 oct$ function, 323 .ocx control, 730 .ocx extension, 730 off-by-one error, 134, 149,249 Offline property Web-

Browser control, 815

offscreen image, 386

OK button, 74 OLE,711-712 OLE_COLOR,727-728 OLE control, 30-31, 410, 714 OLE DB data source, 774

ole prefix, 410 OnBl ur event of intrinsic HTML

control, 847 OnBounce event, 885 OnChange, 850 OnChange event of intrinsic

HTML control, 847

OnClick event of intrinsic HTML control, 846

On Error Goto statement, 541-542544,554,561-562

On Error Goto 0 statement, 541554-555

On Error statement 543 one-armed bandit, 894 one-dimensional array, 272 OnEndOfImage event, 885 one statement per line, 76 one-to-many relationship, 779

OnFocus event of intrinsic HTML control, 847

on-line product catalog, 894 on-line Visual Basic documenta­

tion,713 OnMouseClick event, 885 ON part of INNER JOIN clause,

782 OnScroll event, 885 OnSelect event of intrinsic

HTML control, 847 onStartOfI~ge event, 885

OOAD,710 Opaque, 38

Open, 26 Open, 870-871 OpenAsTextStream, 602-

603 Open AVI File to Play button,

876 Open File to Play button, 887 open ForWriting mode, 602

Open statement, 623 OpenAsTextStream method,

592 opening a project type, 26

INDEX

opening projects, 33

OpenTextFile method, 587

OpenllRL, 816-818, 821

operand, 64

operating system, 5-6, 672-673

operations allowed on the data of theADT,649

operator Like, 309-310, 780

operator Not, 157,310

operator Or, 157

operator precedence, 66

optical disk, 579

optimization, 498

Optimize for Fast Code, 498

Optimize for Small Code, 498

<OPTION>, 850

</OPTION>,850

Optional, 221

optional arguments, 221

Optional arguments, 222-224

optional parentheses around argu-ments,191

Option Base 1,254,278

Option Base statement, 253, 257

Option Base 0,257,278

OptiOnButton, 440, 498, 511, 554

OptionButton control, 30, 410

Options ... command, 185

Options dialog, 185

Option Compare statement, 308-309

Options dialog Editor tab, 73

Option Explicit statement, 73,559,842

optOption_C1ick,498

opt prefix, 410

Or (logical OR), 156-157

Oracle, 768

order, 11,89

ORDER BY, 782, 796

ORDER BY clause, 781-782

ORDER BY query keyword, 779

ordered list, 308

ordering instructions for the CD, 16

-

..-I

INDEX 999

orientation property, 488, parameter variables, 182 payroll calculation, 677 496 PARC, 12 payroll system, 584, 677

orientation Slider prop- parent folder, 592, 595, 597 p-code, 498 erty,431 Parent Folder property, 592, PeekDa ta method of Win Sock

origin, 372 595 control, 839 origin (0, 0), 373 parent form, 461, 469 pen, 383 Other, 871 parent node, 918 Pentium IT from Intel, 861 outer scope, 198 parent window, 460 percentage that the printed output out-of-bounds array index, 538 parentheses, (), 66, 69, 248 is scaled, 401 out of scope, 665 parentheses around arguments, "Percent" namednumericfor-output, 11,27 191 mat, 329 output actions, 11 ParkCar, 670 percent sign, %, 62 output device, 4 partitioning step, 299 performance, 653 output stream, 810 Pascal, 2, 8-9 performance of binary tree sorting output unit, 4 Pascal, B., 9 and searching, 943 oval,389 pass, 182 Performance Tips, 10 oval symbol, 92 pass-by-reference, 683 period ( .), 184 overflow error, 217, 546 pass of a file, 609 Period key, 527 overlapping building blocks, 163 passing an argument, 183 persist, 723 Overlay, 871 passing an array to a procedure, persistent, 13, 579 overridden, 668 260 personal computer, 3, 669 overridden method, 672 passing arguments call-by-value, personal computing, 5

191 Photoshop, 188 passing array elements to a proce-

physical device, 673 dure, 260

passing arrays call-by-reference, physical format, 768

P 259 physics demo: kinetics, 894

passing arrays to procedures, 258 Pi,377 <P>, 841, 849 passing an object as an argument, PI,377 p,676,688 683 pic prefix, 410 packet, 810, 823, 834, 839 passing a variable number of Picture, 257, 399, 495, 517, pad a fixed-length string, 317 arguments, 285 521,524 page-composition packages, 12 password,818 Picture and String, 399 Page Down key, 775 PasswordChar, 141 pictureBox, 384, 429, 463, page layout software, 304 PasswordChar TextBox 496,524 page of records, 775 property, 413 pictureBox control, 30, 399, Page Up key, 775 Password intrinsic HTML con- 410,462

Paint, 188,459,730 trol, 846-847 pictureBox control (data

Paint event, 715-716, 720 paste, 33 aware),772

PaintPicture, 492 Path property, 579-580, 592, pictureBox refreshed, 386

Paintpicture method, 399, 594-595,597 PictureBox's BackColor, 407 pattern matching, 780 498

paired tag notation, 841 pattern matching character #, 309 Picture property, 190,202,

Palette property, 727 pattern matching character?, 309 472,492

Palette tab, 36 Pattern property, 580 pie chart, 407

palindrome, 367 pattern string, 781 pig Latin, 313, 315

Paradox, 768 \pau=number\, 870 pig Latin program, 314

ParamArray, 285-286 Pause, 870-871 pink,390

parameter, 695, 697 Pause method, 885, 888 \Pit=number\,870

parameter list, 182, 648 pause speech, 870 pitch of character's voice, 870

1000

pixel, 372, 866

pixel,429

pixel coordinates, 869

Pixels scale, 373

platform, 7

Play, 867, 870-871

Play button, 882

Play button on the MCI Con-trol,876

PlayCount property, 888

Play method, 879

plug in, 710

plus sign (+), 305

plus sign (+) to the left of Me, 568

point, 208, 379

pointing and clicking with the mouse, 51

point-of-sale systems, 14,616

Points scale, 373

poker, 364

poking with the mouse, 867

Polar axis, 381

polar coordinates, 381

Pole, 381

poll analysis program, 254

poll data, 253

polylines, 382

polymorphic behavior, 672

polymorphic processing of shapes, 684

polymorphic programming, 670, 673

polymorphism, 647-648, 666-667,670-673,677

pop, 914

Pop, 912, 914

pop operation, 648-­

popped, 648

popped off, 912

popping, 648

popping the dish off the stack, 648

pop-up menu, 415, 437-438

Pop value, 914

port, 402

Portability Tips, 10

port 5000, 835

port number, 823, 828, 834, 836

port number client is using to communicate, 828

port number on a server, 825

PositionChange event, 889

position number, 248-249

position number zero, 248

Position property, 87l

PostorderHelper, 922-923

PostorderTraversal,922-923

post-order traversals, 918

pound sign, #, 342

Powerbuilder, 8

Powersoft Corporation, 8

prebuilt components, 16

precedence, 66, 156

precedence of operators, 158

precedence of arithmetic opera-tors, 66

pre-defined formats, 327

predefined animation, 867

predefined constants, 842

predefined icons, 440

pre-defined numeric formats, 327

predicate function, 907

predicate method, 656

prefixes for objects, 560

prefixing module-level variables, 146

prefix vb, 139

prepackaged components, 29

prerecorded audio and video, 880

Prentice Hall, 794

preorder, 918

PreorderHelper, 922-923

preorderTraversal,922-923

Preserve, 280

. ___ preserve with ReDim, 279, 283

press a button, 51, 105, 178

press a key, 51

pressing a key, 509

pressing a mouse button, 13, 509

prev,870-871

previous record, 776, 801

previous track, 874

primary key, 770, 778

primary key field, 777

primary memory, 4

prime, 245

primitive data type, 652

principal, 135

INDEX

print a line of text on the form, 52 print an array, 251

Print button, 228

PrintForm,401-402

printing a binary tree, 924

printing dates in various formats, 366

printing projects, 33

printing trees, 942

Print method, 56, 374, 401

Print #, 561

print on paper, 4

print on the form, 54

Print #, 637

printed output is scaled, 40 I

printer driver, 400

printer driver name, 400, 402

Printer object, 400-402

Printer properties, 400-401

Private, 180-181, 227, 652-653-655,657,665,676, 688,899,906-907,912, 921-922

private address space, 746, 747, 750

Private data, 654--656

Private IEmployee2, 690

Private instance variable, 652, 655-657,665,676

Private Integer instance variable, 652

Private member, 654

Pri va te members of a class, 653

Private method, 650, 657

Private scope, 198

Private String instance, 689

Private Sub, 54

Private superclass, 688

Private variable or procedure, 227

procedural program, 667

procedural programmer, 646, 653

procedural programming lan-guage, 646-647, 653

procedure, 12, 178

Procedure Attributes ... , 728

--

INDEX 1001

Procedure Attributes dialog, Project Properties dialog, 730 Property Let Intere-

729 Project Properties dialog's stRate, 655

Procedure box, 55, 676 Compile tab, 498 Property Let Month, 665

procedure call, 179,901,912 Project Properties dialog's Property Let procedure, 656

Procedure Col!lboBox, 697, Component tab, 753 property listing, 102, 108 722 Project Properties from property Max, 488

procedure definition header, 54 Project menu, 730 property Min, 488 procedure names, 198 Project1 Properties command Property method, 689 Procedure Separator, 55 Project Type, 753 property MousePointer, 509 process, 746 Project Type Col!lboBox, 730 PropertyName, 727 processing a queue, 915 project types, 26 property page, 743 processing phase, 104, 108 Project window, 28-29, 34, 41, Property Page, 741-742 processing resource, 669 460 Property Page Created dia-processing unit, 3 prompt, 109 log, 745 Professional Edition of Visual Properties ... , 728 Property Page Name dialog,

Basic, 9-10, 822 properties, 28, 71,136,648-649, 743-744 program control, 90 655 property pages, 415, 741 program maintenance, 11,670 properties for a form or control, Property Pages dialog, 415-programmatic interface, 720 31 417,419,490 programmer, 666,669,672 Properties - Form1 window, Property Pages dialog's programmer -defined procedure, 27-28 RecordSource tab, 775

185,693 properties list, 10 1 Property Pages from View programmer-defmed type, 647 properties related to drawing menu, 741

programming language, 649 graphics, 382 property page tab, 743-744

programming tips, 17 Properties window, 31, 33-34, Property Page Wizard, 746-

program reliability, 13 39,53-54,415,434,467, 747

project, 17,26,29, 694 714,729,741,746 Property Page Wizard - Add

Project, 928 property, 661, 694 Properties dialog, 744-

Project Description, 730 Property, 180, 665 745

Project Explorer, 28, 33, 467 property Appearance, 496 Property Page Wizard - Fin-

Project explorer window, 227 property Arrows, 495 ished dialog, 744-745

Project Explorer window, 649, PropertyBag object, 723 Property Page Wizard -

716, 724 PropertyChanged method, Introduction dialog, 742

project file, 28 724 Property Page Wizard -

Project icons, 33 Property Commission, 683 Select the Property

projection, 770-771 Property FirstName, 677, Page dialog, 743-744

Project/Library Col!lboBox, 683 Property Page Wizard Sum-

694 Property Get, 655, 657, 660, mary Report dialog, 745-

Project menu, 33, 466, 498,649, 665,899,907,910,921 746

887 Property Get Intere- Property procedure, 653, 656,

Project menu's Add MOl stRate, 655 665,676

Form, 460 Property Get procedure, 656- Property Quantity, 683

Project Name, 730 657 Property Salary, 683

Project Name TextBox, 467 Property Hours, 683 Property Set, 655

Project1 - Form1 (Form) win- property Increment, 488 Property Set procedure, 656

dow, 27 Property LastName, 677, property settings, 52

Project - Project1 window, 27 683 property sheet, 774, 788

Project Properties dialog, Property Let, 655, 657, 660, Property Wage, 683

466-467,469,472,498- 665,899,910,921 Property wagePerPiece,

499 Property Let Day, 665 683

1002

Property WeeklySalary, 677

property Zoom, 885

protocol, 811

Providertab,774 Proxy property of Internet

Transfer control, 822

proxy server, 822

PSet,382-383,401,431

Pset method, 374, 379-380

PSet to draw shapes, 380

pseudocode,90-91, 93, 96, 104-105,110

pseudocode algorithm, 101, 106

pseudocode representation of the top, 111

pseudo-random numbers, 206

PUblic, 653-656, 670, 695

Public array, 250 PUblic Const instance vari-

able, 653 Public data, 650

public interface, 684, 912

Public interface, 648, 670-671, 673

Public interface of a class, 650

Public keyword, 180,227 Public method, 649-650, 652,

673,676-677,683 Public procedure defined in a

code module, 228

Public property, 730

Public scope, 198

Public services, 650

Publishers table from Bib-lio .mdb, 777

punched cards, 5

push, 648, 914

Push, 912, 914

pushing, 648 pushing the dish onto the stack,

648 push operation, 648

Push value, 914

put (send a file to the server), 821

Put statement, 621, 623-624, 629

pwd (display the current directory name), 821

pyramid, 407

Q QBColor, 393

QBColor argument values, 393

queries, 768

query, 773 QueryInterface,710

query language, 769

Query menu, 33

query method, 654

query string, 793

query the Biblio .mdb data-base, 786

QueryUnload, 472, 717

question mark, ?, 780-781

question mark icon, 440

question mark (?) in the pattern string, 781

queue, 16,897-898,900,912, 915,917

Quicksort, 299 Quick Watch ... , 563, 569

Quick Watch window, 570

quotation marks (single or dou-ble),304

Quit, 713

quit (terminate current connec­tion),821

R RAD (Rapid ApplicationDevel-

opment), 9, 29, 647, 710

radian, 377, 381

radio buttons, 30, 180,511

Radio intrinsic HTML control, 846-847

radius, 376, 378

RAD language, 647

raise an error, 542, 545, 549-550

raise an event, 695, 723

RaiseAnEvent, 697,723

RaiseEvent, 695

raised errors, 541 544

Raise method, 545, 555

raising an error, 650

random, 356

INDEX

random access, 621

Random Access, 626

random-access file, 13-14, 579, 616-620,627,636

random access file processing, 767

random colors, 391-392

randomizing, 206

random number, 201

random number generation, 203

random number generation to cre-ate sentences, 365

Randomize, 208, 357-358

Randomize statement, 206-207

range checking, 650, 655

range vbKeyA - vbKeyz, 527

range vbKeyFl - vbKeYF16, 527

range vbKeyNwllpadO -vbNumpad9, 527

range vbKeyO - vbKey9,527

Rapid Applications Development (RAD), 9,29, 647, 710

RasterOp, 399,407

reaction timelreaction precision tester, 894

read, 673

Read, 617

readability, 75, 112, 654

ReadAll method, 600

read data sequentially from a file, 603

reading data sequentially from a random-access file, 628

read from a socket, 810

reading only, 603

Read method, 600

ReadLine method, 600, 606

read-only mode, 617

read-only property, 656

ReadOnly property, 580

ReadProperties, 716, 723, 728, 738

ReadPropertY,723

read randomly from a random­access file, 630

Read Write, 617, 623

ReadyStateChange event, 889

INDEX

RealAudio Activex control, 880-882

RealAudiocontrolSource property

Real Networks, 880 Real Networks Web site http:/

/www.real.com. 880 real number, 106 receive an array through a call,

259 "receiving" section of the com­

puter,4 Recent tab of New Project dia­

log, 26

record,584,599,616,619,769-770

Record, 870-872 record key, 584, 602, 616

Recordset, 772-773, 783, 788-789,793,798,800-801

Recordset object, 770, 797

record size, 616 Record Source, 788 RecordSource property, 776,

786-788, 792, 794, 796

record structure, 599 rectangle, 12, 94--95, 375-376,

388-389 rectangle symbol, 91, 98, 134,

160 rectangular coordinates, 381

recursion, 215 recursion step, 215, 217 recursion vs. iteration, 220 recursive approach chosen in

preference to iterative approach,221

recursive call, 215, 219, 221 recursive factorial procedure, 215

recursive LinearSearch, 301 recursively print a list backwards,

940 recursively search a list, 940 recursive procedure, 214

recursive solution, 221 recursive step, 219, 300 recv (same as get), 821

red,376,379,391,393,514 red circle overlap, 566

ReDim, 278-279, 283

ReDim Preserve, 279, 283

redimension an array, 280

redimrnable arrays, 278

red intensity, 390

red rectangle, 376

redundancy, 768

redundant parentheses, 69, 156

reference, 660-661, 673, 677, 694,697

References ... , 928

References dialog, 585, 712, 748-749,754

References ... from the Project menu, 712

references to objects, 661, 667

references to objects of other classes as members, 661

reference to the current fo=, 567

Referential Integrity, 779, 788

refinement, 104

refinement process, 104

refresh, 672

Refresh method, 580, 592, 794

Refresh method of Web-Browser control, 815

Regional Settings TextBox, 342

register a control, 730

registration fee, 850

reinventing the wheel, 179, 647

relational database, 15,768,770

relational model, 769

relational operator, 149-150, 156

relational operators with Strings, 306

relationship, 667

relative coordinates, 382

Release, 710

releasing a key, 509

releasing a mouse button, 13, 509

releasing the mouse button on a control, 524

reliability, 13, 823

Rem, 56

remainder after Integer divi­sion,65

remote automation, 711, 713

1003

Remote Automation Con-nection Manager, 713

remote component, 713

RemoteHost, 837-838

RemoteHostIP, 834

remote host IP address, 826

RemoteHost property, 825, 831

remote machine, 711

RemotePort, 825, 831, 834, 836-838

Removable, 599

Remove, 924, 926-927, 932

RemoveAll, 932

Remove all key/value pairs, 932

remove from a project, 227

RemoveFrOmBack, 907, 910-912

Remove from Collection, 924

RemoveFromFront, 907-910

Remove from the Project menu, 227

removeItem, 908-910

RemoveItem comboBox method,420

RemoveItem ListBox method,424

remove leading spaces at left of a string, 317

removing spaces, 317

rename (change a file name), 821

Rename ... button, 743-744

repaint, 387

repeatability, 203

repeating code, 180

repetition, 130, 160, 163

repetition control structures, 130

repetition structure, 11, 91-92, 105,220

repetition terminates, 98, 132

replace a portion of a string with another string, 312

Replace function, 319

replacing substrings in a String, 319

request for connection from a cli­ent, 824

Require Variable Declara­tion,73

) ...

1004

Require Variable Declaration CheckBox, 73

reraise, 555

reserved word, 57

ResetBookmark,911

Reset intrinsic HTML control, 846-847

resizable.arrays, 900

Resize,715-7l6, 720, 728, 738

Resize event handler, 723

resize the application window, 879

resize window, 509

re sizing the form, 35

resolution on a screen, 373

respond to events, 52

ResponseCode property of Internet Transfer control, 822

ResponseInfo property of Internet Transfer control, 822

Resume flow of control, 547

Resume method, 885

Resume statement, 547-548, 550,561-562

Resume Next statement, 547, 549,555

rethrow an error, 555-556

RethrowTheError,555

Retry button, 439

return, 179

return a value, 186

Return key, 34, 527, 560

return type, 187

return value, 186

Return version of the anima-tion,867--

reusable components, 647,713

reusable data structures, 898

reusable module, 476

reusability, 164,469

reuse, 14,29,647,666,709

reuse binary code, 709

reverse a string, 319

reverse the mteilning of acondi" tion, 157

reversing a bit, 583

reversing strings with function StrReverse, 320

RGB, 390-391

ROB color, 498

ROB value (RedlOreenIBlue), 390

Richie, D., 8

rich text, 480

RichTextBox control, 412, 480--484

RichTextBox control (data aware), 772

rich text editor, 481

RichTextBox Find con-stants,484

rich text format (RTF), 480

rich text formatted text, 481

Right, 921

right-arrow key, 775

right button, 515

right child, 918

right-clicking the form, 434

right-clicking the ImageList control, 489

right-click the mouse, 437

Right$ function, 312-315, 365

Right Justify,38

RightMargin property, 484

right margin value, 484

right mouse button, 515, 741, 798

right subtree, 918, 922-923

. rle image file extension, 399

RLE images, 399

rmdir (remove a directory), 821

• md, 621

Rnd(),385

Rnd function, 201, 203

Robby the Robot, 862, 864, 867

__ . roll a six-sided die, 201

Rollback,801

rollback, 801

rolling a six-sided die, 201

rolling dice, 293

rolling 12 six-sided dice, 257

root directory, 818

root folder, 595, 597

RootFolder property, 597

root node, 918, 922

root node level, 924

round, 110, 182,226

rounded rectangles, 388-389

rounded squares, 388-389

Round function, 226

row, 271, 769

INDEX

RowSource property, 789, 792, 796

, rtfBo.th constant, 484

rtfHorizontal constant, 484

rtfMatchCase constant, 484

rtfNoHighlight constant, 484

rtfNone constant, 483

rtf prefix, 412, 480

rtfRTF constant, 484

rtfTextBox, 484

rtfVertical constant, 484

rtfWholeword constant, 484

RTrim$ function, 317-318

Rule of Entity Integrity, 778, 788

rules of operator precedence, 66, 68

Rule of Referential Integrity, 779, 788

rules for forming properly struc­tured programs, 160

rules for forming structured pro-grams, 160

Run icons, 33

run-length encoding, 399

Run method, 888

Run menu, 33, 40, 558

Run menu item Break, 558

run mode, 40, 57, 557-558

run time, 31, 98, 694, 900

run-time engine, 498

run-time error, 62-63, 74, 97, 155,164,183,197,250, 661,677

run-time instance, 716

run-time logic error, 73

run-time properties, 426, 714

Run To Cursor, 563, 565-566

s same level of precedence, 68

saturation, 390

Save, 870-871

INDEX 1005 , Save File As •.. dialog, 40 ScrollPixelsx, 884-885 SELECT * FROM TableName SaveFile, 484 ScrollPixelsY, 884 WHERE criteria, 780 Save Project As... dialog, 40- Scroll scrollbar event proce- Select Case, 92, 147,203,

41 dure,429 214,257 SavePicture, 399 Scroll Slider event proce- Select Case logic, 669-670 Save Proj ect tool bar icon, 40 dure, 431 Select Case-based system, scale, 17, 372 scroll style, 884 670

ScaleLeft property, 374 ScrollStyleX, 884 Select Case multiple selection

Scale method, 374 ScrollStyleY, 884 structure, 130, 140, 141, 163

ScaleHeight property, 374, SDI application, 460, 469 Select Case statement, 669-

723, 725 Search button, 695 670

ScaleMode property, 374,725 Search ComboBox, 695 Select Case structure, 146,

ScaleTop property, 374 search for substring, 315 159,669

ScaleUnits property, 727 searching arrays, 266 selected, 29

ScaleWidth property, 374, searching strings with InStr and Selected property, 494

723, 725 InStrRev, 316 Select intrinsic HTMLcontrol,

ScaleX method, 374 search key, 266 846-847

ScaleY method, 374 Search Results Frame, 695 SelectedItem property, 789

scaling, 201, 203 search string, 313, 315-316 Select or enter a database

scaling factor, 201, 208 search tabular data, 771 name TextBox, 775

Scanner, 871 search the World Wide Web, 15 <SELECT> tag, 849

"Scientific" named secondary storage unit, 4 selecting, 27

numeric format, 329 second-degree polynomial, 68 selecting properties and events,

scientific notation, 329, 333 Second function, 346-347 734

sckClosed, 824 second refinement, 104-105, selection, 159, 163

scope, 197,560 112-113 selection criteria, 780

scope of an identifier, 198 seconds elapsed since midnight, SelectionEnd property, 888

scoping example, 199 208,347 Selection object, 713

scoping rules, 227 sector, 376-378 selection sort, 299

screen, 3-5, 11 security, 7l1, 768-769 SelectionStart property,

screen manager, 672 security keypad program, 142, 888

Screen object, 219 276 selection structure, 11, 91-92,

</SCRIPT>, 845 seed,206,208 220

scripting, 811 Seek statement, 637, 870-87l Select picture dialog, 490

scripting language, 845, 850 SelBold property, 484 SELECT queries, 780

<SCRIPT LANGUAGE= SelCount ListBox property, SELECT query keyword, 779

"VBScript">, 842 424

self-documenting, 62, 618

script level, 842 SELECT,796

self-referential class, 899

<SCRIPT> tag, 844 Select Access Database dia-

self-review exercises and

scroll, 423, 884 log, 774, 797

answers, 17

scroll arrows, 495 SELECT component, 848~850

SelItalic property, 484 SELECT * FROM Tablel INNER

scrollbar, 484, 488,495,717 JOIN Table2 ON Table.field SelLength property, 603

scrollbar controls, 427 = Table2.field, 782 SelStart property, 603

ScrollBars property, 483, 787 SELECT * FROM TableName SelUnderline property, 484

Scrollbars TextBox prop- ORDER BY field ASC, 781 send (same as put), 821 erty,413 SELECT * FROM TableName SendComplete event of Win-

scroll box ORDER BYfieldDESC, 781 Sock control, 840 ScrollDelay, 884-885 SELECT * FROM TableName, SendData method, 824-825, Scroll event, 431 780 829,836,838

1006

SendProgress event of win-Sock control, 840

senses, 16

sentence, 12

sentinel-controlled loop, 109, 149-150

sentinel-controlled repetition, 103, 105-106, 108-109

sentinel value, 103-105, 109, 149-150

separator bars, 436-437

sequence, 159, 163, 164

sequence of characters, 304

Sequencer, 871

sequence structure 11 91-92 104 " ,

sequential access, 603

sequential-access files, 579, 602, 608, 616

sequential code, 670

sequential execution, 91

sequential file, 13-14,584,599

sequential file access, 637

sequential file processing, 767

SerialNwnber property, 597, 599

Serif, 38

server, 5, 822-824, 826, 829,915

server and client program outputs, 833

server application, 834

server closes a connection, 832

server port number, 831

server waiting for connection, 831

set, 655-657, 665

Set, 661, 665, 693, 900

set a point's color, 374

SetDate, 665

SetFocus comhoBox meth­ods,420

SetFocus ListBox method, 424

SetFocus method, 495, 580

SetFe>cus scrollbar method, 429

SetFocus Slider method, 431

SetFocus TextBox method 413 '

Set keyword, 661

set method, 655

Set Next Statement, 563, 567

SetTime, 650

SetTime method, 652

set the trap, 562

Sgn function, 226

Shakespeare, William, 367

Shape control, 30-31, 387-388, 390,410

Shape control icon, 387

shape of the mouse pointer, 13, 219,416,509

Shape property, 388

Shape property constants, 389

Shape control property Fill-Style, 390

Shape control shapes, 390

Shapes, 688

Shareable property, 871-872, 875

shared device, 871

sharing, 768

shell, 688

Shift, 518-519

shift adjustment, 201, 208

Shift bit field, 520

Shift key, 425, 517-518, 520, 526-529

Shift parameter, 529

Shift variable, 517-518

shifting, 203

Shortcut ComhoBox, 434

shortcut keys, 434-435, 437

"Short Date", 350

short format date representation, 326

short name format, 594

ShortName property, 592, 594-595,597

Short Path property, 595, 597

"Short Time", 351

Show, 472, 715

Show, 570

ShoWColor, 398

ShoWControls property, 888

ShowDisplay property, 888

Show event, 868

Show event procedure, 726

INDEX

ShowGrabHandles propert 727 y,

ShowHatching property, 727

Show method, 479

Show Next Statement, 563 567 '

ShowOpen method, 622

ShowPositionControls 887 '

ShowSave method, 622

ShowSelectioncontrols 887 '

ShowTracker property, 888

shp prefix for Shape controls 390,410 '

shrink-wrapped software, 669

shuffled deck, 356

shuffling algorithm, 357

siblings, 918

sight, 16

silicon chip, 3

simple client, 825

simple conditions, 156

simple stack program, 913

simplest case, 215

simplest flowchart, 160-161

simple Tep client, 829

simple Tep server, 826, 828

Simpletron Machine Language (SML),450

Simpletron Simulator, 507, 858, 894

simple UDP server, 834

simplicity, 164

simulation, 201

simulator, 452

Sin function, 226

sine, 226

Single, 63, 106, 135, 140, 326, 898

single-clicking, 26, 509

single-clicking with the left mouse button, 27

Single data type, 165

single document interface (SDI) application, 459

single entry point, 159

single-entry/single-exit control structures, 93, 159

INDEX

single-entry /single-exit repetition structures, 160

single-entry/single-exit sequence and selection structure, 159

Single (exclamation point, !), 165

single exit point, 159 single form, 469 single inheritance, 667

single-line comment, 56

single-line If/Then, 75 single-precision floating-point

numbers, 165 single-quote character, 794 single-selection I f/Then struc­

ture,93 single-selection structure, 92,

140, 159 single-subscripted array, 898 Single type-declaration charac-

ter, 106 sign (+ or -), 323 signal value, 103

sinking sort, 263 site, 715 SiteBuilder Network Workshop,

850 SiteSelector,850 six-sided die simulation, 205 SIZE, 849 size (get the size of a file), 821 Size, 801 Size event, 868 Size method, 599 sizing handle, 35, 37, 716, 720,

723 Skip method, 600 SkipLine method, 600 sldBoth TickStyle property

value, 433 sldBottomRight Tick­

Style property value, 433 sldNoTicksTickStyle

property value, 433 sld prefix, 412, 433 sldTopLeft TickStyle

property value, 433 Slider ActiveX control, 431 Slider control, 412, 433 Slider Max property, 432

Slider Min property, 432 Slider properties, 431 SmallChange property, 432,

496,498,733 SmallChange scrollbar prop­

erty,429 SmallChange Slider prop­

erty,431 small circle symbols, 93, 95, 98,

159 smallest number, 183 "sneakernet", 5 socket, 810 socket-based communications,

810 software, 2-3 software component, 14 software complexity, 666 software demand, 14 software development, 8, 669 software engineering, 152, 656 Software Engineering Observa-

tions, 10 software reusability, 164, 179-

180,469,647,666,669 software reuse, 660-661, 669 Sorted ComboBox property,

420 Sorted ListBox property,

424,426 sorted order, 630 Sorted property, 425 sorting, 602, 781 sorting algorithm, 630 sorting data, 263 sorting large arrays, 266 SortingOrder, 782 sound, 861-862 Sound, 870-871 sound board, 870 source code, 653r, 669 Source of Connection

Frame, 774 Source property,544, 546 Source property of the Real-

Audio control, 882 source string, 312 Space bar, 425, 527 Space$, 147,251,277,317-318 spacing convention, 94

space-time trade-off, 630

Speak, 867-868

1007

speaking to your computer, 4

Speak method, 869

SP ARC Ultra from Sun Micro-systems, 861

\Spd=number\, 870

special characters, 304

Special Section: Advanced String Manipulation Exercises, 367

Special Section: Building Your Own Computer, 449

Special Section: Challenging String Manipulation projects, 370

special symbols, 304, 583

speech, 16

speech engine, 870 speech output tag, 869

speech recognition, 862 speed property, 869

spelling checker, 370,747

spinner control, 488

spiral, 391-392 Splash Screen, 477, 479

Split function, 355-356, 365

splitting an identifier or a key-word, 76

spoken by the animated character, 869

spoken commands, 16

spooling,915 spreadsheet, 712, 714

SQL (Structured Query Lan-guage), 768-769, 776, 779

SQL keyword DISTINCT, 793

SQL keywords, 779

SQL queries, 780, 788, 797 SQL Server, 768

SQL statements, 786

Sqr function, 226

square, 389 square problem, 113

square root, 226, 649

stable states, 583 stack, 16,648,656,897-898,900,

912,917

stacked building blocks, 161, 163

1008 INDEX

stack class, 912 Static storage class, 197-198 String data type, 165

stacking, 93-95, 164 Static storage class variables, String (dollar sign, $), 165

stacking rule, 161 198 string formatting, 327

Standalone, 753 Static variable, 198 String$ function, 317-318

stand-alone ActiveX EXE, 752, StatusUpdate event, 871 string literal, 304 758 Step, 870, 872 string manipulation, 304

stand-alone application, 753 Step Into, 558, 563-565 String Manipulation Exercises, stand-alone controls, 730 Step keyword, 132-133, 382 367

stand-alone EXE, 751 Step omitted, 139 String Manipulation Projects, 370

stand-alone executable, 756 Step Out, 563, 565-566 String moutputString,

"stand-alone" units, 5 Step Over, 563-565 922

standard code module, 618 step wise refinement, 3 string of characters, 12

standard controls, 409 StillExecuting property of string of zero length, 313, 315

Standard EXE, 26-27, 32-33, Internet Transfer String "Point", 676

649,711,748-750,753- control, 822 String type-declaration charac-

755, 758 Stock Portfolio Evaluation, 858 ter, 109

Standard EXE application, 747 Stonebraker,771 string value, 304

Standard EXE project, 731, 754 Stop, 870-871 string variable, 305

Standard EXE's GUI, 718 StopAll method, 869 Stroustrup, B., 8

standard executable, 26 stop an animation, 869 StrReverse function, 319-320

standardized pieces, 180 stop method, 869 structured flowchart, 161

standardized reusable component, stop method of Web Browser structured programming, 2-3, 8-

669 control,815 9,89,91,152,164

standard module, 226, 649, 752, Stop statement, 558 structured programming sum-

756 storage alignment, 619 mary, 159

"Standard" named numeric storage class, 197 Structured Query Language

format, 328 storage class specifier, 197 (SQL), 768-769, 776, 779

standard-time format, 650, 652 stored procedure, 773 study aids, 17

standard tool bar, 33 story teller, 893 Style ComboBox properties,

420 Start button, 40--41 straight -line form, 65 Style ListBoxproperty, 424 starting index, 485 strategies for debugging, 560 Style property, 190,425 Start Mode, 753 StrComp function, 306-307 subclass, 666-670, 672, 677, StartMode property, 752 Str$ function, 322-323 688-689 StartNode property, 910 streaming audio and video, 880 subclass is derived from the Start Up ComboBox, 730 streaming technologies, 834 superclass, 666 startup form, 469 stream of bytes, 599 subclass-object-is-a-superclass-start-up object, 752 ----string, 63, 932 object relationship, 667 StartUp Object, 466-467, 469, String, 109, 138, 186,304- subfolder, 597

471-472,474-475,753 305,327,650,659,665, Sub Main, 753 Startup Object TextBox 676,683-684,695,898, submenu, 434 StartValue, 781 922,925-926 submi t intrinsic HTML control, StateChange event, 822, 889 String array, 353-354 846,848 statement, 56 String "Circle", 676 Submit User-defined Query, State property of Win Sock string comparison, 309 786

control, 839 string concatenation, 305-306, Sub procedure, 11, 164, 180, Static, 249 312 182-183,214-215,653

, I Static array, 250 string concatenation operator, .. , Sub procedure body, 181

Static local variable, 198-199 75 Sub procedure definition, 181

Static keyword, 181 string constant, 304 Sub procedure header, 181

INDEX

substring,311-312,356

substring in a string, 315

subtraction, 65, 67, 649

subtree, 918

Sun Microsystems, 8, 861

supportsMnemonics prop-erty, 727

superclass, 666-671, 673, 688-689

superclass object, 670

supercomputer, 3

supe=arket simulation, 939 survey, 253

suspending at a breakpoint, 567

swap, 266

sweep, 377

Switch,97

switch returns Null, 97

synchronous errors, 538

synchronous transfers, 816

syntax, 665

syntax checker, 560

syntax color highlighting, 57-58

syntax error, 57,76,98,155,653-654,661,671,695,697

system clock, 391

system date, 341

system date and time, 147

System property, 580

systems implementation lan-guage,8

system time, 346

T tab, 75, 94, 147

Tab,637

tabbed dialog, 742

Tab key, 53, 418, 527, 542

TabIndex property, 52-53, 488

tab order, 416 TabStop comboBox property,

420

TabStop ListBox property, 424

TabStop scrollbar propelty, 429

TabStop SI ider property, 431

Tab Width TextBox, 73

table, 769, 773

table element, 271

table fo=ed by projection, 770

Table or Stored Procedure Name, 788

table of values, 271

tabular data, 771

tabular fo=at, 252

tail, 898

tail of a queue, 915

Tan function, 226

tangent, 226

target, 524

task,4

TCP (Transmission Control Pro-tocol), 810

TCP client, 829

tcpClient • Close, 831-832

tcpClient.GetData, 831-832

TCP protocol, 826

TCP server, 826, 828

TCPServer. Close, 828-829

tcpServer.Listen, 829

tcpServer port number, 823

tcpServer.SendData, 829

telephone call, 810

telephone conversation, 823

telephone handset, 810

telephone keypad, 614

telephone number generator, 613

telephone system, 834

television, 16

template form module, 459

template fo=s, 475-476, 479

temporary fIle, 592

terminal,5

Terminate, 649, 665

terminate a print job, 401

terminate program execution, 57

terminate recursion, 215

terminate repetition, 99

terminating a loop, 103, 105

terminating condition, 216

termination phase, 104, 109

termination test, 220

terminates, 911

1009

Test Connection button, 775, 797

testing, 670

Testing and Debugging Tips,10

tetrahedron, 407

text, 480

Text, 308

TextAlign property, 727

text analysis, 367

TextArea intrinsic HTML con­trol, 846, 848

text-based language, 8

TextBox, 13,60-61,74, 111, 412,419,421,480,659, 885,914,917-918,930,932

TextBox control, 30, 61, 410, 414, 772

TextBox Name, 180-181

TextBox'S BackColor prop-erty, 531

Text ComboBox property, 420

text editor, 304

text file, 621, 633

text flasher, 893

TextHeight, 375

Text intrinsic HTML control, 846,848

Text ListBox property, 424

Text MaskedEdi t control property, 416

TextPosition property, 433

text processing software, 304

Text property, 61,792,796

text searching, 16

TextStream, 602

TextStream properties and methods, 599

TextStream type, 586, 600

Text TextBox property, 413

Texture property, 713

TextWidth method, 375

tightest scope, 560

tightly packed binary tree, 924

tightly packed tree, 924

theater-in-the-round,861

The Complete Visual Basic 6 Training Course, 16

the form, 27

theta, 381

1010

"think out" a program, 90, 93 </TITLE>, 841 thousands separators, 336, 339 title bar, 27, 34--35, 74, 40, 46 3D, 16, 496 Title Author table from 3D cartoon characters, 16 Biblio.mdb,777

3D look, 495 Ti tles table from Bib-three-button mouse, 515 lio.mdb,778

three-dimensional, high-resolu- tmr prefix for Timers, 393,410 tion, color graphics, 861 toggle, 29, 409, 435

three-dimensional television, 861 Toggle Breakpoint command three-dimensional tic-tac-toe, 707 (F9), 563, 566-567 three-element array, 688 toggle choice, 30 throughput, 5 Toggle Folders, 29 throw point, 555 Toggle Folders button, 28-29 TickFrequency Slider token, 356

property, 431 tokenization function Spl it, tick mark, 432 355 TickStyle,432 To keyword, 132-133, 146,257 TickStyle Slider property, tone of voice, 869

431 tool bar, 27-28, 33 Tic-Tac-Toe, 707, 858 tool bar icons, 27, 33 tile child windows horizontally, tool tip, 413

468 tool-tip Animation, 879 tile child windows vertically, 468 ToolTipText ComboBox tiled horizontally and vertically, property, 420

468 Tile Horizontal, 467-468 Tool TipText ListBox prop-

erty,424 Tile Vertical, 467-468 ToolTipText property, 413 time, 147 Tool TipText TextBox prop-Time, 304 erty, 413 TimeCast site http://www. - ToolBars menu, 562

timecast.com/sta-tions/index.html, toolbox, 28-29, 33, 718 880 ToolboxBitmap, 730

Time function, 208, 346 toolbox controls, 29 time functions, 340 toolbox icon, 724, 730 TimeFormat property, 871 toolbox icon enabled, 719 Timer,725 toolbox window, 27, 30

Timer contr61;-3U.c.3 1,392, 394= - --Tools icon, 33 395,410,462,485,490,728 Tools menu, 33, 180, 185,434,

Timer event, 728 728 Timer event procedure, 393 tool tips, 29-30 Timer function, 346-347, 479 top, 104, Ill, 648, 898 Timer interval, 725 Top, 727 TimeSerial function, 346, top-down stepwise refinement, 3,

348,486 104,106,110-111 Timer's Interval property, top-level menu, 435-436

391 top of the screen, 869 timesharing,5 Top property, 869 TimeValue function, 346, 348 Tortoise and the Hare simulation, <TITLE>, 841 457

INDEX

ToStandardTime, 650, 652-653

Tostring, 665, 673, 688-689, 691

TOString method, 677, 683-684

total,106 TotalSize property, 597 TOUniversalTime, 650, 652-

653 Towers of Hanoi, 243, 535 trace debugging, 560-561 trace program control, 562 tracing, 560 track,871 Track property, 871, 874 TrackLength property, 871,

874 TrackPosition property, 871 Tracks property, 871-872 traffic on the Internet, 882 trailing spaces, 317 transaction processing, 767, 801 transaction processing program,

633 transaction processing systems,

14,616 transfer of control, 91 translation, 6 translation steps, 6 Transmission Control Protocol

(TCP),823 transparent, 384 Transparent, 38 Transparent value traverse, 923 trap, 541,561 trap an error, 555 trap fatal run-time errors, 562 Tree, 922 tree, 16,898,900,917 tree nodes, 917 triggering an event, 695 trigonometric arctangent, 225 trigonometric cosine, 225 trigonometric sine, 226 trigonometric tangent, 226 trigonometry,380 Trim$ function, 317-318

INDEX

True, 69,92-94, 153,324,887-888,907,911

true color images, 398

"True/False" named numeric format, 329

True/False values, 165

True keyword

truncate, 182, 602-603

truth table, 156, 158

truth table for operator And, 156

truth table for operator Not, 158

truth table for operator Or, 157

turn drawing off, 383

Turtle Graphics, 300

twip,372

Twips scale, 373

two- and three-dimensional graphics, 16

two-dimensional array represen­tation of a deck of cards, 357

two-dimensional arrays, 272

two-dimensional graphics, 861

type, 652, 669

TYPE, 846

Type, 618, 801

type conversion functions, 324-325

type Currency, 140

type-declaration character, 62-63,153,165,182,187,898

type-declaration character for a String, 304

type Double, 135

Type Fields, 669

type libraries, 694

type Long, 145

Type method, 599

type mismatch error, 306 543, 546-548,550,555

TypeName, 898-899

TypeOf keyword

Type property, 595

typesetting systems, 304

types, 649

types of comparisons, 309

type specifier, 652

Type statement, 898

txt prefix, 410

u UBound, 251, 254, 273, 276

uCase$ function, 320

UDP (User Datagram Protocol), 810-811,823,834

udpClient.Close,837

updClient.GetData,837

updClient.SendData,838

UDP packets, 834

UDP server, 834

udpServer.Bind,835

udpServer.close,836

udpServer.GetData,836

udpServer.SendData,836

UIDead property, 727

unary operator, 65, 157

unchecked, 30

underscore L) character, 54, 676

undo, 33

uneditable text, 30

Universal Resource Locator, 811

UNIX, 6, 8

Unknown, 599

Unload, 467, 717

UnloadMode variable, 473

unmapped member, 735

unsite,716

unstructured flowchart, 162-163

up-arrow cursor, 510

up-arrow key, 775

Update Interval property, 871,875

Update Record tab, 638

UpDown control, 412, 485-488

upd prefix, 412, 486

updSpeed_Change,488

upper bound, 250, 257

uppercase letters, 417, 649, 671

upper-left corner, 373, 399

upper-left point on the screen, 372

URL (Uniform Resource Locator or Universal Resource Locator), 811, 814-815

Use Connection String option, 774

UserControl, 715, 717, 719-720, 732

1011

userControl_Ambient­Changes event procedure, 727

UserControl information, 726

UserControl Property­Changed method, 724

UserControlScale­Height, 728

UserControl_Write­Properties, 716

User Datagram Protocol, 810-811,823

user -defined coordinate system, 373-374

user-defined date and time for­mats offunction Format, 351-352

user -defined formats, 327

user-defined numeric format, 329

User-defined scale, 373

user-defined type, 213, 248, 617-618,622,647

user-defined type definition, 618

user-drawn controls, 714, 716

user friendly, 12-13,51

UserMode property, 727

user name, 818

users, 650

using the Internet Trans-fer control, 822

using the Winsock control, 839

utility method, 653

utility procedure, 214

v Val function, 322-323

ValidateDay, 665

Val.idate event procedure

Val.idateHour,657

ValidateMinute,657

ValidateMonth,665

ValidateSecond,657

ValidateYear,665

validation, 657

Value, 801

VALUE, 846

1012

value, 661, 928

Value of Enqueue, 917

Value property, 281, 488, 733

Value Slider property, 431

value returned when condition is False, 95

value returned when condition is True, 95

Value scrollbar property, 429

variable, 62, 647, 652

variable-length arguments, 285

variable-length argument list, 285

variable-length string, 305

variant, 63,182,186-187, 327, 801, 842, 898, 899, 901,906,912,932-933

variant array, 285-286

variant by default, 898

variant data type, 165

variant element, 927

variant sUbtypes, 842

varType, 898

vb, 139 vbAbort MsgBox return value,

441

vbAbortRetryIgnore MsgBox constant, 439

VB ActiveX Control Interface Wizard, 732

vbAl ignBot tom constant, 463

vbAlignLeft constant, 463

vbAlignNone constant, 463

vbAlignRight constant, 463

vbAlignTop constant, 462-463

vbAltMask constant, 517-518, 520,527

vbAPplicationMoClar, 440;-442

vbApplicationModal con­stant,440

vbArrangeIcons constant, 468

vbArrow constant, 510

vbArrowHourglass con­stant,510

vbArrowQuestion constant, 510

vbBeginDrag constant, 521-522

vbBinaryCompare constant, 309,355-356

vbBlack, 391, 528, 728

vbBlackness, 383, 385

vbBlue, 391, 527

vbBoolean constant, 898

vbBSDash,387

vbBSDashDot, 387

vbBSDashDotDot,387

vbBSDot, 387

vbBSInsideSolid, 387

vbBSNone, 462

vbBSSolid, 387

vbButtonGraphical con-stant, 189

vbButtonStandard con-stant, 189

vbByte constant, 898

vbCancel constant

vbCancelDrag constant, 521

vbCancel MsgBox return value, 441

vbCascade constant, 468

vbCenter,437

vbCentimeters, 373-374

vbCharacters,373

vbChecked,281-282

vbCornboDropDown,420

vbCornboDropDownList,420

vbCornboSimple, 420

vbCopyPen property, 382-383, 385

vbCri tical MsgBox constant for icons, 440

vbCross,384

vbCrosshair constant, 510

- vbCtrlMask constant, 517-518,520,527

vbCurrency constant, 898

vbCustom constant, 510

vbCyan, 391, 528

vbDatabaseCompare con-stant,309

vbDash,383

vbDashDot,384

vbDashDotDot,384

vbDate constant, 898

vbDecimal, 898

vbDefault, 219, 510

INDEX

vbDefaultButtonlMsgBox constant, 443

vbDefaultButton2MsgBOx constant, 443

vbDefaultButton3MsgBox constant, 443

vbDefaultButton4MsgBoX constant, 443

vbDiagonalCross,384-385 vbDot,383

vbDouble constant, 898

vbDownwardDiagonal,384

vbDstInvert, 399

vbEmpty constant, 898

vbEndDrag constant, 521

vbExclamation, 442

vbExclamation MsgBox constant for icons, 440

vbFirstFourDays constant, 344

vbFirstFullWeek constant, 344

vbFirstJanl constant, 344

vbFriday constant, 341

vbFSHorizontalLine,384

vbFSSolid,384-385

vbFSTransparent, 384-385

vbGeneralDate constant, 349

vbGreen, 391, 527

vbHourglass, 219, 510

vbIbeam constant, 510

vbIgnore MsgBox return value, 441

vbInches, 373

vbInformation MsgBox constant for icons, 440

vbInsideSolid, 384-385

vbInteger constant, 898

vbInvert, 383

vbInvisible,384

vbKeyA through vbKeyZ con­stants (A key through Z key), 528

vbKeyBack constant (Back­

space key), 527

vbKeyCapi tal constant (Caps

Lock key), 527

vbKeyControl constant (Ctrl

key), 527

INDEX

vbKeyDecimal constant (Period key), 527

vbKeyDelete constant (Delete key), 527

vbKeyEscape constant (Escape key), 527

vbKeyInsert constant (Insert key), 527

vbKeyReturn constant (Return key), 527-528

vbKeyShift constant (Shift key), 527

vbKeySpace constant (space­bar), 527

vbKeyTab constant (Tab key), 527

vbLeftButton constant, 515 vbLeftJustify,437

vbListBoxCheckBox,425

vbListBoxStandard,425

vbListBoxStandardList-Box, 425

vbLong constant, 898

vbLongDate constant, 349 vbLongTime constant, 350

vbMagenta, 391, 528

vbMaskNotPen,383

vbMaskPen,383

vbMaskPenNot,383

vbMergeNotPen,383

vbMergePen, 383 vbMergepenNot,383

vbMiddleButton constant, 515

vbMillimeters,373

vbModal constant, 472 vbMonday constant, 341

vbNewLine constant, 592 VB98 directory, 797

vbNoDrop constant, 510

vbNo MsgBox return value, 441

vbNop,383

vbNotCopyPen,383

vbNotMaskPen,383

vbNotMergePen,383

vbNotXorPen, 383

vbNull,898

vbobject constant, 898

vbOKCancel MsgBox con-stant,439

vbOKOnly, 829, 832

vbOKOnly MsgBox constant, 439

vbPixels, 373, 728

vbPoints,373,728

VB Property Page Wizard, 741-742

vbPRORLandscape Printer constant, 401

vbPRORPortrait Printer constant, 401

vbPRPQDraft Printer con­stant,401

vbPRPQHigh Printer con­stant,401

vbPRPQLow Printer con­stant,401

vbPRPQMedium Printer constant, 401

vbQuestion MsgBox constant for icons, 440

vbRed constant, 376-377, 386, 391,527

vbRetry MsgBox constant, 439

vbRetry MsgBox return value, 441

vbRightButton constant, 437,515

vbRightJustify,437

vbSaturday constant, 341

\TB Script, 16,840,842,850

VBscript, 844

VBScript Compound Interest Cal-culator, 858

vbShapeCircle,389

vbShapeOval,389

vbShapeRectangle,389

vbShapeRoundedRectan-gle,389

vbShapeRoundedSquare, 389

vbShapeSquare,389

vbShiftMask constant, 517-518,520,527

vbShortDate constant, 350

vbShortTime constant, 350

vbSingle constant, 898

vbSizeAll constant, 510

vbSizeNESW constant, 510

vbSizeNS constant, 510

1013

vbSizeNWSE constant, 510

vbSizeWE constant, 510

vbSizePointer constant, 510

vbSModeAutomation,752

vbSModeStandalone,752

vbsolid, 383, 385

vbString constant, 898

vb Sunday constant, 341

vbSystemModal constant, 440

vbTab, 138, 254

vbTextCompare constant, 309

vbThursday constant, 341

vbTileHorizontal. con­stant,468

vbTileVertical constant, 468

vbTransparent,390

vbTuesday constant, 341

vbTwips,373-374

vbUnchecked, 281-282, 385

vbUpArrow constant, 510

vbUpwardDiagonal,384

vbUseCompareOption con-stant, 308-309

vbUser,373-374

vbVerticalLine,384

vbWednesday constant, 341

vbWhite,391

vbWhiteness, 383, 385

vbXorPen, 383, 386

vbYellow, 391, 527

vbYes constant

vbYesNo, 442

vbYesNo MsgBox constant, 439

vbYesNoCancelMsgBox constant, 439

VBX controls, 714

VCR, 870

VCR, 871

verb, 646-647

vertical coordinate, 372

vertical scrollbar, 314, 413, 429, 483-484

vertical spacing, 94, 131

version compatibility, 755

Version Compatibility Frame, 754

1014

Version Compatibility in ActiveX Components in on-line doc­umentation, 755

video,4,834,861,874-876

video clip, 810

videodisc, 871

videodisc player, 870

video games, 372, 672

videotape player, 870 View icons, 33

View Code, 29, 745

View Code button, 28, 54, 227

View Code in Project window, 736

View menu, 27, 33, 558, 694

View Object, 724, 745-

View Object button, 28-29, 227

views of data, 769

View Summary Report CheckBox, 736

visible, 29

Visible checkBox, 435, 437

visible ComboBox proper-ties, 420

visible control, 529

VisibleCount property, 789

Visible ListBox property, 424

Visible property, 529, 580, 788, 796

Visible scrollbar property, 429

Visible Sliderproperty, 431

Visible TextBox property, 413

Visual Basic, 667, 672

Visual Basic class libraries, 669

Visual Basic compiler, 694 Visual Basic editor, 426

Visual Basic extension controls, 714

Visual Basic 5.0, 714

Visual Basic IDE, 26, 467

Visual Basic 6 Multimedia Cyber Classroom, 16

Visual Basic procedures, 178

Visual Basic reference, 660

Visual Basic screen manager pro-gram, 672

Visual Basic Script (VB Script) , 840

Visual C++, 15,412,714

visual editing, 714

visual element, 747

visual feedback, 509

Visual J++, 8, 15,412

visual programming, 11,33,51, 54,409,436

\Vol=number\,870

Volume, 684, 688

volume control, 432

VolumeName property, 597

vsbScroll.Value, 431

vsb vertical scrollbar preflx, 431

VScrollBar control, 31, 427

w wait for a connection, 829

waiting line, 898

Wait property, 871, 875

walk off either end of an array, 256

wakeUp, 655-656

"warehouse" section of the com­puter,4

Watch window, 568, 569

WA V (Windows wave flle for-mat) audio, 885

WaveAudio, 871

Web-based applications, 809

Web browser, 51, 812-814

WebBrowser control, 811-813, 815-816

Web page, 372, 810, 862

Web server, 814, 816

wedge-shaped piece of a circle, 376

weekday function, 340-341, 344

WeekdayName function, 340-342

Wend,105

WHERE clause, 780, 782, 793

WHERE query keyword, 779

While, 92

INDEX

WhilelWend control structure, 163-164

WhilelWend repetition struc-ture, 98-99

Whisper, 869

White, 468

white, 391, 393, 514

white arrow, 29

white-space characters, 75, 94

whole number, 109,248

"wide bandwidth", 16

Width, 376, 385, 484

width of a Line control line, 387

WidthOfPage, 884

width of range, 208

width property, 31, 869

width statement, 488

wildcard characters asterisk (*) and question mark #, 780

Win32 Application programming Interface (API) functions, 9

windowed control, 714

windowed mode, 715

windowless controls, 714

Windowless property, 714

Window menu, 463

Windows, 7, 9, 730

Windows applications, 372

windows cascade, 468

Windows Control Panel, 400-401

Windows handle, 714-715

Window's look-and-feel, 398, 463

Windows menu, 33

Windows 98, 746

Windows 95, 746

Windows NT, 6,746

Windows operating system, 12

Windows programs, 8,26,51

Win sock control, 811, 823, 825, 839

Winsock object, 825

Win32 Application Programming Interface (APT), 9

Wirth, N., 8-9

wizard,731

wi th statement, 603, 665

• wmf image file extension, 398

INDEX

VVord,459,712-714 word, 619

word equivalent of a check amount, 369

VVordPad,480-481

word processor, 12, 304, 315

words, 12

workstation, 5

World Wide Web (VYWW), 15, 372,709,809,811,840,869

World Wide Web browser, 810

World Wide Web page, 862

World Wide Web server, 810

World Wide Web site, 810

Wrap property, 488

wrap to the next line, 375

write, 673

Write, 617

WriteBlankLines method,· 600

write call, 673

wri teLine method, 600, 603

Write method, 600

write-only mode, 617

Write #, 561

Wri teProperties, 723-724, 728, 738

WriteProperty,723

writing data randomly to a ran-dom-access fIle, 624

writing data to a text fIle, 600

write to a socket, 810

www.deitel.com. 17

www.microsoft.com.825. 831,837

x X, 676

x-coordinate, 372, 378, 381, 399, 525

Xerox's Palo Alto Research Cen­ter (PARC), 12

y Y,676

y-coordinate, 372, 378, 381, 399, 525

"year 2000", 8

Year function, 340, 342

yellow, 391, 393, 514, 564

"Yes/No" named numeric for-mat, 329

z zero balance, 606

1015