1 /* 双键的使用 */ 2 3 #include <windows.h> 4 5 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 program requires Windows NT!"), 30 szAppName, MB_ICONERROR); 31 32 return 0; 33 } 34 35 hwnd = CreateWindow(szAppName, 36 TEXT("The Hello Program"), 37 WS_OVERLAPPEDWINDOW, 38 CW_USEDEFAULT, 39 CW_USEDEFAULT, 40 CW_USEDEFAULT, 41 CW_USEDEFAULT, 42 NULL, 43 NULL, 44 hInstance, 45 NULL); 46 47 ShowWindow(hwnd , iCmdShow); 48 UpdateWindow(hwnd); 49 50 while(GetMessage (&msg, NULL, 0, 0)) 51 { 52 TranslateMessage(&msg); 53 DispatchMessage(&msg); 54 } 55 56 return msg.wParam; 57 } 58 59 LRESULT CALLBACK WndProc(HWND hwnd , UINT message , WPARAM wParam , LPARAM lParam) 60 { 61 HDC hdc; 62 PAINTSTRUCT ps; 63 RECT rect; 64 65 switch(message) 66 { 67 case WM_CREATE: 68 // PlaySound (TEXT ("123.wav"), NULL , SND_FILENAME |SND_ASYNC); 69 return 0; 70 71 case WM_PAINT: 72 hdc = BeginPaint(hwnd , &ps); 73 74 GetClientRect(hwnd, &rect); 75 76 DrawText(hdc , TEXT("Hello Windows 98!") , -1 ,&rect , 77 DT_SINGLELINE | DT_CENTER | DT_VCENTER); 78 79 EndPaint(hwnd,&ps); 80 81 // PlaySound (TEXT ("123.wav"), NULL , SND_FILENAME |SND_ASYNC); 82 return 0; 83 84 case WM_LBUTTONDOWN: 85 if(wParam & MK_RBUTTON) 86 PlaySound (TEXT ("123.wav"), NULL , SND_FILENAME |SND_ASYNC); 87 return 0; 88 89 case WM_RBUTTONDOWN: 90 if(wParam & MK_LBUTTON) 91 PlaySound (TEXT ("123.wav"), NULL , SND_FILENAME |SND_ASYNC); 92 return 0; 93 94 case WM_DESTROY: 95 // PlaySound (TEXT ("123.wav"), NULL , SND_FILENAME |SND_ASYNC); 96 PostQuitMessage(0); 97 return 0; 98 } 99 return DefWindowProc(hwnd,message,wParam,lParam); 100 }