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 ;
 }

GetStockObject在库#pragma comment(lib, "gdi32.lib") 中。