1 #include <windows.h>
2
3 //#define WM_MYMSG (WM_USER +100)
4
5 LRESULT CALLBACK WndProc(HWND,UINT,WPARAM,LPARAM);
6
7 int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance,
8 PSTR szCmdLine, int iCmdShow)
9 {
10 static TCHAR szAppName[] = TEXT ("HelloWin");
11 HWND hwnd;
12 MSG msg;
13 WNDCLASS wndclass;
14
15 wndclass.style = CS_HREDRAW | CS_VREDRAW ;
16 wndclass.lpfnWndProc = WndProc ;
17 wndclass.cbClsExtra = 0 ;
18 wndclass.cbWndExtra = 0 ;
19 wndclass.hInstance = hInstance ;
20 wndclass.hIcon = LoadIcon(NULL,IDI_APPLICATION) ;
21 wndclass.hCursor = LoadCursor(NULL,IDC_ARROW) ;
22 wndclass.hbrBackground = (HBRUSH) GetStockObject(WHITE_BRUSH) ;
23 wndclass.lpszMenuName = NULL ;
24 wndclass.lpszClassName = szAppName ;
25
26 if(!RegisterClass(&wndclass))
27 {
28 MessageBox(NULL, TEXT("This program requires Windows NT!"),
29 szAppName, MB_ICONERROR);
30
31 return 0;
32 }
33
34 hwnd = CreateWindow(szAppName,
35 TEXT("The Hello Program"),
36 WS_OVERLAPPEDWINDOW,
37 CW_USEDEFAULT,
38 CW_USEDEFAULT,
39 CW_USEDEFAULT,
40 CW_USEDEFAULT,
41 NULL,
42 NULL,
43 hInstance,
44 NULL);
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
55 return msg.wParam;
56 }
57
58 LRESULT CALLBACK WndProc(HWND hwnd , UINT message , WPARAM wParam , LPARAM lParam)
59 {
60 HDC hdc;
61 PAINTSTRUCT ps;
62 RECT rect;
63
64 switch(message)
65 {
66 case WM_CREATE:
67 // PlaySound (TEXT ("123.wav"), NULL , SND_FILENAME |SND_ASYNC);
68 return 0;
69
70 case WM_PAINT:
71 hdc = BeginPaint(hwnd , &ps);
72
73 GetClientRect(hwnd, &rect);
74
75 DrawText(hdc , TEXT("Hello Windows 98!") , -1 ,&rect ,
76 DT_SINGLELINE | DT_CENTER | DT_VCENTER);
77
78 EndPaint(hwnd,&ps);
79
80 // PlaySound (TEXT ("123.wav"), NULL , SND_FILENAME |SND_ASYNC);
81 return 0;
82 /*
83 case WM_MYMSG:
84 PlaySound (TEXT ("123.wav"), NULL , SND_FILENAME |SND_ASYNC);
85 return 0; //自定义消息
86 */
87 case WM_LBUTTONDOWN:
88 // PlaySound (TEXT ("123.wav"), NULL , SND_FILENAME |SND_ASYNC);
89 // InvalidateRect(hwnd, NULL , FALSE);
90 // SendMessage(hwnd , WM_MYMSG , wParam , lParam);
91 return 0;
92
93 case WM_DESTROY:
94 // PlaySound (TEXT ("123.wav"), NULL , SND_FILENAME |SND_ASYNC);
95 PostQuitMessage(0);
96 return 0;
97 }
98 return DefWindowProc(hwnd,message,wParam,lParam);
99 }
