创建win32窗口

 #include <windows.h>

 LRESULT CALLBACK WinProc(HWND,UINT,WPARAM,LPARAM);

 int WINAPI WinMain(HINSTANCE hInstance,HINSTANCE hPrevInstance,LPSTR szCmdLine,int iCmdShow)

 {

     TCHAR szname[]=TEXT("classname");

     HWND hwnd;

     MSG msg;

     ZeroMemory(&msg,sizeof(msg));

     WNDCLASS wndclass;

     wndclass.style=CS_HREDRAW | CS_VREDRAW;

     wndclass.lpfnWndProc=WinProc;

     wndclass.cbClsExtra=;

     wndclass.cbWndExtra=;

     wndclass.hbrBackground=(HBRUSH)GetStockObject(WHITE_BRUSH);

     wndclass.hCursor=LoadCursor(NULL,IDC_ARROW);

     wndclass.hIcon=LoadIcon(NULL,IDI_APPLICATION);

     wndclass.hInstance=hInstance;

     wndclass.lpszClassName=szname;

     wndclass.lpszMenuName=NULL;

     RegisterClass(&wndclass);

     hwnd=CreateWindow(szname,TEXT("windowsnametest"),WS_OVERLAPPEDWINDOW ,CW_USEDEFAULT,CW_USEDEFAULT,CW_USEDEFAULT,CW_USEDEFAULT,NULL,NULL,hInstance,NULL);

     if(hwnd)

         ShowWindow(hwnd,SW_SHOW);

     else

     {

         MessageBox(NULL,TEXT("创建窗口失败！"),TEXT("提示"),MB_OK);

         UnregisterClass(szname,hInstance);

         return ;

     }

     UpdateWindow(hwnd);

     while(GetMessage(&msg,hwnd,,)>)

     {

         TranslateMessage(&msg);

         DispatchMessage(&msg);

     }

     UnregisterClass(szname,hInstance);

     return msg.wParam;

 }

 LRESULT CALLBACK WinProc(HWND hwnd,UINT message,WPARAM wParam,LPARAM lParam)

 {

     switch(message)

     {

     case WM_CLOSE:

         DestroyWindow(hwnd);

         PostQuitMessage();

         break;

     default:

         return DefWindowProc(hwnd,message,wParam,lParam);

     }

     return ;

 }