/* 一个简单的win32窗口调用 */ #include<Windows.h> #include<tchar.h> //声明窗口函数 LRESULT CALLBACK WindowProc(HWND hwnd,        UINT uMsg,        WPARAM wParam,        LPARAM lparam        ); int WINAPI WinMain(      HINSTANCE hInstance,      HINSTANCE hPrevInatance,      LPSTR lpCmdLine,      int nCmdShow      ) {  WNDCLASS wndclass;  wndclass.lpfnWndProc=WindowProc;  wndclass.cbClsExtra=0;  wndclass.cbWndExtra=0;  wndclass.style=CS_HREDRAW|CS_VREDRAW;  wndclass.lpszClassName=_T("我的窗体");  wndclass.hInstance=hInstance;  wndclass.hCursor=LoadCursor(NULL,IDC_ARROW);  wndclass.hIcon=0;  wndclass.hbrBackground=(HBRUSH)(COLOR_WINDOW+1);  wndclass.lpszMenuName=0;  //注册窗口类  if(RegisterClass(&wndclass)==0)  {   MessageBox(0,_T("注册窗口类失败"),_T("我的窗体"),MB_OK);   return 0;  }  //创建窗口实列  HWND hWnd = CreateWindow(_T("我的窗体"),_T("我的第一个窗体"),WS_OVERLAPPEDWINDOW,100,100,500,400,0,0,hInstance,0);  //显示和更新窗口  ShowWindow(hWnd,SW_SHOW);  UpdateWindow(hWnd);  //消息循环  MSG msg;  while(GetMessage(&msg,0,0,0))  {   TranslateMessage(&msg);   DispatchMessage(&msg);  }  return 0; } //定义窗口函数 LRESULT CALLBACK WindowProc(        HWND hwnd,        UINT uMsg,        WPARAM wParam,        LPARAM IParam        ) {  switch(uMsg)  {  case WM_CLOSE:   PostQuitMessage(0);   break;  default:   return DefWindowProc(hwnd,uMsg,wParam,IParam);  }  return 0; }