Windows程序设计（Charles Petzold）HELLOWIN程序实现 

 1 /*--------------------------------------------------------------
 2     HELLOWIN.C--DisPlays "Hello, Windows!" in client area
 3                 (c) Charles Petzold, 1998
 4 --------------------------------------------------------------*/
 5 #include <windows.h>
 6 LRESULT CALLBACK WndProc(HWND, UINT, WPARAM, LPARAM);
 7 
 8 int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPreVInstance,
 9                    PSTR szCmdLine, int iCmdShow)
10 {
11     static TCHAR szAppName[] = TEXT("HelloWin");
12     HWND         hwnd;
13     MSG            msg;
14     WNDCLASS     wndclass;
15     
16     wndclass.style            = CS_HREDRAW | CS_VREDRAW;
17     wndclass.lpfnWndProc    = WndProc;
18     wndclass.cbClsExtra        = 0;
19     wndclass.cbWndExtra        = 0;
20     wndclass.hInstance        = hInstance;
21     wndclass.hIcon            = LoadIcon(NULL, IDI_APPLICATION);
22     wndclass.hCursor        = LoadCursor(NULL, IDC_ARROW);
23     wndclass.hbrBackground    = (HBRUSH) GetStockObject(WHITE_BRUSH);
24     wndclass.lpszMenuName    = NULL;
25     wndclass.lpszClassName    = szAppName;
26     
27     if (!RegisterClass(&wndclass))
28     {
29         MessageBox(NULL, TEXT("This progam requires Windows NT!"),
30                     szAppName, MB_ICONERROR);
31         return 0;
32     }
33     
34     hwnd = CreateWindow(szAppName,                    //window class name
35                         TEXT("The Hello Program"),    //window caption
36                         WS_OVERLAPPEDWINDOW,        //window style
37                         CW_USEDEFAULT,                //initial x position
38                         CW_USEDEFAULT,                //initial y position
39                         CW_USEDEFAULT,                //initial x size
40                         CW_USEDEFAULT,                //initial y size
41                         NULL,                        //parent window handle
42                         NULL,                        //window menu handle
43                         hInstance,                    //program instance
44                         NULL                        //creation parameters
45                         );
46     ShowWindow(hwnd, iCmdShow);
47     UpdateWindow(hwnd);
48     
49     while (GetMessage(&msg, NULL, 0, 0))
50     {
51         TranslateMessage(&msg);
52         DispatchMessage(&msg);
53     }
54     return msg.wParam;
55 }
56 
57 LRESULT CALLBACK WndProc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
58 {
59     HDC            hdc;
60     PAINTSTRUCT    ps;
61     RECT        rect;
62     
63     switch (message)
64     {
65         case WM_CREATE:
66             //PlaySound(TEXT("hellowin.wav"), NULL, SND_FILENAME | SND_ASYNC);
67             return 0;
68             
69         case WM_PAINT:
70             hdc = BeginPaint(hwnd, &ps);
71             GetClientRect(hwnd, &rect);
72             DrawText(hdc, TEXT("Hello, windows!"), -1, &rect,
73                     DT_SINGLELINE | DT_CENTER| DT_VCENTER);
74             EndPaint(hwnd, &ps);
75             return 0;
76             
77         case WM_DESTROY:
78             PostQuitMessage(0);
79             return 0;
80     }
81     return DefWindowProc(hwnd, message, wParam, lParam);
HELLOWIN.c

vs新建一空的win32应用程序，将已经编辑好的代码文件添加至源文件中。在工程属性->附加依赖项中添加"winmm.lib"(或将PlaySound()函数注释掉)，编译运行，查看结果。

posted @ 2016-04-06 16:45  web1013  阅读(756)  评论(0)  编辑  收藏  举报