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CS4233 Network Programming

Using Microsoft Visual C++

Chen-Lung Chan

Department of Computer Science

National Tsing Hua University

New a Project (1/3)

File New

Fill in the

project name

New a Project (2/3)

Select Win32 Console Application

New a Project (3/3)

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Project Settings (1/2) Project Settings (2/2)

Settings For

Win32 Debug Win32 Release

C++ Preprocessor

Additional include directories

Link General

Object/library modules

Input Additional library path

Post-build step

Build

Build Test.exe

Rebuild All Clean

Set Active Configuration

Test Win32 Release

Test Win32 Debug

Execute

Files

Release\Test.exe

Debug\Test.exe

Build Execute Test.exe

Execute:

Ctrl + F5

Go:

F5

For debugging

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Debug

Breakpoint

In Go

Watch

Step

Step Into: F11

Step Over: F10

Stop Debugging

Shift + F5

New a C/C++ File (1/2)

File New

New a C/C++ File (2/2)

Insert a file to the project

MSDN (1/2)

http://msdn.microsoft.com/visualc/previous/vc6/default.aspx http://msdn.microsoft.com/library/default.asp?url=/library/en-

us/vccore98/HTML/vccorehm.asp

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MSDN (2/2) System Configuration

Add directories of new system libraries and

include files to Visual C++ Tools Options Directories

Workspace

A workspace can contains several projects.

Ex: add a MFC AppWizard (exe) project to the

Test workspace

Dialog based MFC Application

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Switch among Projects

Menu

Project

Set Active Project Build Set Active Configuration

Customize the GUI

Set the Properties of a Button (RightClick)

Add a Message Handler (DoubleClick on the Button)

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Add a Member Variable for theButton (1/2)

Right Click (on the Button) ClassWizard

Add a Member Variable for theButton (2/2)

Handling Windows Messages Write a Win32 Static Library

New a Win32 Static Library project

Add the essential header files and source files

to the project Build the library

How to use the library? Add the path of the header file to Additional

include directories Add the path of the library file to Additional library

path Append the library file to Object/library modules

Include the header file

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Device Context (Dialog based)

void CTestDlg::OnPaint(){

if (IsIconic()){

CPaintDC dc(this); // device context for painting

SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0);

// Center icon in client rectangleint cxIcon = GetSystemMetrics(SM_CXICON);int cyIcon = GetSystemMetrics(SM_CYICON);CRect rect;GetClientRect(&rect);int x = (rect.Width() - cxIcon + 1) / 2;int y = (rect.Height() - cyIcon + 1) / 2;

// Draw the icondc.DrawIcon(x, y, m_hIcon);

}else{

CDialog::OnPaint();

}}

modify this!

Use CDC

Functions

SetBkColor() SetTextColor() DrawText() FillSolidRect() DrawIcon() BitBlt()

COLORREF RGB(0, 0, 0) - black RGB(255, 255, 255) - white

Bitmap Functions (1/2)

Insert Resource Import

Bitmap Functions (2/2)

CBitmap m_bmpTest;CDC m_dcTest;

BOOL CTestDlg::OnInitDialog(){

CClientDC dc(this);m_bmpTest.LoadBitmap(IDB_BITMAP1);m_dcTest.CreateCompatibleDC(&dc);m_dcTest.SelectObject(&m_bmpTest);

} void CTestDlg::OnPaint()

{CPaintDC dc(this);dc.FillSolidRect(0, 0, 640, 480, RGB(0, 0, 0));

dc.BitBlt(0, 0, 200, 100, &m_dcTest, 0, 0, SRCCOPY);}

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Set Windows Timer to Refresh

SetTimer(4233, 30, 0);

KillTimer(4233);

Add a message handler for WM_TIMERvoid CTestDlg::OnTimer(UINT nIDEvent){

if (nIDEvent == 4233)Invalidate();

CDialog::OnTimer(nIDEvent);}

Avoid Flicker: Do not EraseBackground

Add a message handler for

WM_ERASEBKGND Just return FALSE

BOOL CTestDlg::OnEraseBkgnd(CDC* pDC)

{

return FALSE;}

Avoid Flicker: Double Buffering Double Buffering

CBitmap m_bmpBG;CDC m_dcMem;

BOOL CTestDlg::OnInitDialog(){

m_bmpBG.CreateCompatibleBitmap(&dc, 640, 480);m_dcMem.CreateCompatibleDC(&dc);m_dcMem.SelectObject(&m_bmpBG);

}

void CTestDlg::OnPaint(){

CPaintDC dc(this);m_dcMem.FillSolidRect(0, 0, 640, 480, RGB(0, 0, 0));m_dcMem.BitBlt(0, 0, 200, 100, &m_dcTest, 0, 0, SRCCOPY);

dc.BitBlt(0, 0, 640, 480, &m_dcMem, 0, 0, SRCCOPY);}