windows 编程 —— 子窗口 与 子窗口控件

 1      //注册窗口类型
 2      wndclass.style         = CS_HREDRAW | CS_VREDRAW ;
 3      wndclass.lpfnWndProc   = WndProc ;
 4      wndclass.cbClsExtra    = 0 ;
 5      wndclass.cbWndExtra    = 0 ;
 6      wndclass.hInstance     = hInstance ;
 7      wndclass.hIcon         = LoadIcon (NULL, IDI_APPLICATION) ;
 8      wndclass.hCursor       = LoadCursor (NULL, IDC_ARROW) ;
 9      wndclass.hbrBackground = (HBRUSH) GetStockObject (WHITE_BRUSH) ;
10      wndclass.lpszMenuName  = NULL ;
11      wndclass.lpszClassName = szAppName ;
12 
13      if (!RegisterClass (&wndclass))
14      {
15           MessageBox (NULL, TEXT ("This program requires Windows NT!"), 
16                       szAppName, MB_ICONERROR) ;
17           return 0 ;
18      }

 1 //创建窗口实例
 2 hwnd = CreateWindow (szAppName,                  // window class name
 3                           TEXT ("The Hello Program"), // window caption
 4                           WS_OVERLAPPEDWINDOW,        // window style
 5                           CW_USEDEFAULT,              // initial x position
 6                           CW_USEDEFAULT,              // initial y position
 7                           CW_USEDEFAULT,              // initial x size
 8                           CW_USEDEFAULT,              // initial y size
 9                           NULL,                       // parent window handle
10                           NULL,                       // window menu handle
11                           hInstance,                  // program instance handle
12                           NULL) ;                     // creation parameters
13      
14      ShowWindow (hwnd, iCmdShow) ;
15      UpdateWindow (hwnd) ;