05 Windows編程——Windows程式架構

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 1 #include<Windows.h> 2  3 LRESULT CALLBACK WindProc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam); 4  5 int WinMain(HINSTANCE hInst, HINSTANCE tmp, LPSTR szCmd, int nShow) 6 { 7     WNDCLASS WndClass; 8     TCHAR* ClassName = TEXT("MyClass"); 9     HWND hwnd;10     MSG msg;11 12     WndClass.cbClsExtra = 0;13     WndClass.cbWndExtra = 0;14     WndClass.hbrBackground = (HBRUSH)(COLOR_WINDOW + 1);15     WndClass.hCursor = LoadCursor(NULL, IDC_ARROW);16     WndClass.hIcon = LoadIcon(NULL, IDI_APPLICATION);17     WndClass.hInstance = hInst;18     WndClass.lpfnWndProc = WindProc;19     WndClass.lpszClassName = ClassName;20     WndClass.lpszMenuName = NULL;21     WndClass.style = CS_VREDRAW | CS_HREDRAW;22 23     if (!RegisterClass(&WndClass))24     {25         MessageBox(NULL, TEXT("Gegister Class Fail!!"), TEXT("error"), MB_OK);26         return 0;27     }28 29     hwnd = CreateWindow(ClassName, TEXT("Hello"), WS_OVERLAPPEDWINDOW, CW_USEDEFAULT, CW_USEDEFAULT, 500, 300, NULL, NULL, hInst, NULL);30     if (hwnd == NULL)31     {32         MessageBox(NULL, TEXT("Create Window Fail!!"), TEXT("error"), MB_OK);33         return 0;34     }35     ShowWindow(hwnd, nShow);36     UpdateWindow(hwnd);37 38     while (GetMessage(&msg,NULL,0,0))39     {40         TranslateMessage(&msg);41         DispatchMessage(&msg);42     }43 44     return 0;45 }46 47 LRESULT CALLBACK WindProc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)48 {49     switch (message)50     {51     case WM_DESTROY:52         PostQuitMessage(0);//發送WM_QUIT訊息53         return 0;54     default:55         break;56     }57 58     return DefWindowProc(hwnd, message, wParam, lParam);59 }

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 WIndows表單程式的一生 ，大部分時間都在訊息迴圈中度過。

 

05 Windows編程——Windows程式架構