大道至简 2008-7-12 11:17
第一个windows程序
#include <windows.h>
#include <stdio.h>
LRESULT CALLBACK WinSunProc( HWND hwnd,
UINT uMsg,
WPARAM wParam,
LPARAM lParam
);
int WINAPI WinMain( HINSTANCE hInstance,
HINSTANCE hPrevInstance,
LPSTR lpCmdLine,
int nCmdShow
)
{
WNDCLASS wndcls;
wndcls.cbClsExtra=0;
wndcls.cbWndExtra=0;
wndcls.hbrBackground=(HBRUSH)GetStockObject(BLACK_BRUSH);
wndcls.hCursor=LoadCursor(NULL,IDC_CROSS);
wndcls.hIcon=LoadIcon(NULL,IDI_ERROR);
wndcls.hInstance=hInstance;
wndcls.lpfnWndProc=WinSunProc;
wndcls.lpszClassName="[email=qianzongming@gmail.com]qianzongming@gmail.com[/email]";
wndcls.lpszMenuName=NULL;
wndcls.style=CS_HREDRAW | CS_VREDRAW;
RegisterClass(&wndcls);
HWND hwnd;
hwnd=CreateWindow("[email=qianzongming@gmail.com]qianzongming@gmail.com","vc[/email]++编程练习",WS_OVERLAPPEDWINDOW,0,0,600,400,NULL,NULL,hInstance,NULL);
ShowWindow(hwnd,SW_SHOWNORMAL);
UpdateWindow(hwnd);
MSG msg;
while(GetMessage(&msg,NULL,0,0))
{
TranslateMessage(&msg);
DispatchMessage(&msg);
}
return 0;
}
LRESULT CALLBACK WinSunProc( HWND hwnd,
UINT uMsg,
WPARAM wParam,
LPARAM lParam
)
{
switch(uMsg)
{
case WM_CHAR:
char sz[20];
sprintf_s(sz,"The char is %d",wParam);
MessageBox(hwnd,sz,"qianzongming",0);
break;
case WM_LBUTTONDOWN:
MessageBox(hwnd,"mouse click","qianzongming",0);
HDC hdc;
hdc=GetDC(hwnd);
TextOut(hdc,0,50,"vc++练习",strlen("vc++练习"));
ReleaseDC(hwnd,hdc);
break;
case WM_PAINT:
HDC hDc;
PAINTSTRUCT ps;
hDc=BeginPaint(hwnd,&ps);
TextOut(hDc,0,0,"我的第一个windows程序",strlen("我的第一个windows程序"));
EndPaint(hwnd,&ps);
break;
case WM_CLOSE:
if(IDYES==MessageBox(hwnd,"是否真的退出","qianzongming",MB_YESNO))
{
DestroyWindow(hwnd);
}
break;
case WM_DESTROY:
PostQuitMessage(0);
break;
default:
return DefWindowProc( hwnd, uMsg,wParam, lParam);
}
return 0;
}
大道至简 2008-7-12 11:18
功能很简单,运行一下就可以了。
主要是用来理解windows程序内部运行原理。