Window程序设计入门

#include<windows.h>
LRESULT CALLBACK WndProc(HWND,UINT,WPARAM,LPARAM);
int WINAPI WinMain(HINSTANCE hInstance,HINSTANCE hPrevInstance,LPSTR lpCmdLine,int nShowCmd)
{
static TCHAR szAppName[]=TEXT("VC");
HWND hWnd;
MSG msg;
WNDCLASS wndClass;
wndClass.style = CS_HREDRAW|CS_VREDRAW;
wndClass.lpfnWndProc = WndProc;
wndClass.cbClsExtra  = 0;
wndClass.cbWndExtra  = 0;
wndClass.hInstance = hInstance;
wndClass.hCursor   = LoadCursor(NULL,IDC_ARROW);
wndClass.hIcon     = LoadIcon(NULL,IDI_APPLICATION);
wndClass.hbrBackground =(HBRUSH)GetStockObject(WHITE_BRUSH);
wndClass.lpszClassName = szAppName;
wndClass.lpszMenuName = NULL;

if(!RegisterClass(&wndClass))
{
 MessageBox(NULL,"注册窗体失败!","错误提示",MB_ICONERROR);
 return FALSE;
}

if(hPrevInstance!=NULL)
{
  MessageBox(NULL,"注册窗体失败!","错误提示",MB_ICONERROR);
 return FALSE;
}

hWnd = CreateWindowEx(NULL,
       szAppName,
     TEXT("VC"),
     WS_OVERLAPPEDWINDOW,
     0,
     0,
     200,
     300,
     NULL,
     NULL,
     hInstance,
     NULL);

ShowWindow(hWnd,nShowCmd);
UpdateWindow(hWnd);

while(GetMessage(&msg,0,0,0))
{
 TranslateMessage(&msg);
 DispatchMessage(&msg);

}
return msg.wParam;

 
}
LRESULT CALLBACK WndProc(HWND hWnd,UINT message,WPARAM wParam,LPARAM lParam)
{
 HDC hDC;
 PAINTSTRUCT ps;
 RECT rect;

 switch(message)
 {
 case WM_CREATE:
  PlaySound("e:\\email.wav",NULL,SND_FILENAME|SND_ASYNC);
  return 0;
 case WM_PAINT:
  hDC= BeginPaint(hWnd,&ps);
  GetClientRect(hWnd,&rect);
  DrawText(hDC,"I LOVE YOU",-1,&rect,DT_SINGLELINE|DT_CENTER|DT_VCENTER);
  EndPaint(hWnd,&ps);
  return 0;
 case WM_DESTROY:
         PostQuitMessage(0);
   return 0;
 

 }
 return DefWindowProc(hWnd,message,wParam,lParam);

} 

为播放声音,从 Project 功能表选择 Setting 选项，然後选取 Link 页面标签。从 Category 清单方块中选择 General ，然後在 Object/Library Modules 文字方块添加 WINMM.LIB （ Windows multimedia － Windows多媒体 ）。