windows窗口编程

来源：互联网发布：akaw是什么牌子知乎编辑：程序博客网时间：2024/06/05 04:42

#include<windows.h>
LRESULT CALLBACK WndProc(HWND,UINT,WPARAM,LPARAM);
int WINAPI WinMain(HINSTANCE hInstance,HINSTANCEhPrevInstance,LPSTR lpCmdLine,int iCmdShow)
{
static TCHAR szAppName[]=TEXT("HelloWin");
HWND hwnd;
MSG msg;
WNDCLASS wndclass;
wndclass.style=CS_HREDRAW|CS_VREDRAW;
wndclass.lpfnWndProc=WndProc;
wndclass.cbClsExtra=0;
wndclass.hInstance=hInstance;
wndclass.hIcon=LoadIcon(NULL,IDI_APPLICATION);
wndclass.hCursor=LoadCursor(NULL,IDC_ARROW);
wndclass.hbrBackground=(HBRUSH)GetStockObject(WHITE_BRUSH);
wndclass.lpszMenuName=NULL;
wndclass.lpszClassName=szAppName;
if(!RegisterClass(&wndclass))
{
  MessageBox(NULL,TEXT("Thisprogram requires Windows NT"),szAppName,MB_ICONERROR);
  return 0;
}
hwnd=CreateWindow(szAppName,TEXT("The HellpProgram"),
  WS_OVERLAPPEDWINDOW,
  CW_USEDEFAULT,
  CW_USEDEFAULT,
  CW_USEDEFAULT,
  CW_USEDEFAULT,
  NULL,
  NULL,
  hInstance,
  NULL);
ShowWindow(hwnd,iCmdShow);
UpdateWindow(hwnd);
while(GetMessage(&msg,NULL,0,0))
{
  TranslateMessage(&msg);
  DispatchMessage(&msg);
}
return msg.wParam;

}
LRESULT CALLBACK WndProc(HWND hwnd,UINT message,WPARAMwParam,LPARAM lParam)
{
HDC hdc;
PAINTSTRUCT ps;
RECT rect;
switch(message)
{
case WM_CREATE:
  //PlaySound(TEXT("hellowin.wav"),NULL,SND_FILENAME|SND_ASYNC);
  return 0;
case WM_PAINT:
  hdc=BeginPaint(hwnd,&ps);
  GetClientRect(hwnd,&rect);
  DrawText(hdc,TEXT("Hello,Window98"),-1,&rect,DT_SINGLELINE|DT_CENTER|DT_VCENTER);
  EndPaint(hwnd,&ps);
  return 0;
case WM_DESTROY:
  PostQuitMessage(0);
  return 0;

}
returnDefWindowProc(hwnd,message,wParam,lParam);
}

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