Five windows included in the Visual Basic Startup Screen

Tutorial 1 1

Five windows included in the Visual Basic Startup Screen

Main

Form

Toolbox

Project Explorer (Project)

Properties

Tutorial 1 2

Visual Basic startup screen

Tutorial 1 3

Project and Properties Windows

Tutorial 1 4

Caption vs Name Property

Caption property controls the text seen by the user

Name property assigns a name to an object used by the programmer to refer to an

object in code

Tutorial 1 5

Name Property

Must begin with a letterCan contain letters, numbers, and the

underscore character onlyMust not contain punctuation

characters or spacesMust not exceed 40 charactersUse the three-character IDs shown in

Figure 1-10

Tutorial 1 6

Saving a Project

Click the Save Project button on the Standard toolbar. Provide a name for the form and the project.

You also can use the Save <filename> As and Save Project As commands on the File menu. However, be sure to save the form before saving the project.

Tutorial 1 7

Starting and Ending a Project

To start a project: Click the Start button on the Standard toolbar. You also can press F5 or use the Start command on the Run menu.

To end a project: Click the End button on the Standard toolbar. You also can use the End command on the Run menu.

Tutorial 1 8

Opening a Project

To open a new project, use the File menu’s New Project command.

To open an existing project, click the Open Project button on the Standard toolbar. You also can use the Open Project command on the File menu, or the Ctrl+O key combination.

Tutorial 1 9

Getting Help

Use the Help menu’s Contents, Index, or Search commands.

Click the object, window, property, and so on for which you want help, then press the F1 key.

Tutorial 1 10

MSDN Library Visual Studio 6.0

Tutorial 1 11

Caption Property’s Help Screen

Tutorial 1 12

Default-size label control added to the form

Tutorial 1 13

Classes and Objects

Each tool in the toolbox represents a class, which is a pattern from which one or more objects, called controls, are created

Each control you create is an instance of the class from which it was created

Tutorial 1 14

Sizing, Moving, and Deleting Controls

You can size, move, and delete a control, as well as set its properties Before you can delete a control, the

control must be selected and the form must be the active window

Tutorial 1 15

Selecting More Than One Control

You can change a property for more than one control at a time Click the first control you want to select,

then Ctrl-Click the remaining controls Use the mouse pointer selection method

Tutorial 1 16

Open Code Window

Tutorial 1 17

Listing of Properties and Methods

Tutorial 1 18

Editor Tab in the Options Dialog Box

Tutorial 1 19

Printing an Application

Tutorial 1 20

Making an Executable File

Visual Basic’s compiler translates the application’s code into machine code

The machine code is stored in a file with a .exe extension on its name

Tutorial 1 21

Debugging Technique

Print the application’s properties (Form As Text) and code.

In the properties printout, look for a property that is not set correctly.

In the code printout, look for an instruction that is either in the wrong object’s Code window or in the wrong event procedure.