Win32程序实现的步骤:
WinMain函数的定义
创建一个窗口
1. 设计一个窗口类 2. 注册窗口类 3. 创建窗口 4. 显示及刷新窗口 进行消息循环完成回调函数 //WinMain函数的定义 int WINAPI WinMain( HINSTANCE hInstance, //当前实例句柄 HINSTANCE hPrevInstance, //上一个实例句柄 LPSTR lpCmdLine,//传递给应用程序的参数字符串 int nCmdShow); //窗口显示状态 /*创建一个窗口 1. 设计一个窗口类 2. 注册窗口类 3. 创建窗口 4. 显示及刷新窗口 */ WNDCLASSEX mywnd; memset(&mywnd, 0, sizeof(WNDCLASSEX)); mywnd.cbSize = sizeof(WNDCLASSEX); mywnd.style = CS_HREDRAW | CS_VREDRAW; // 窗口风格 mywnd.lpfnWndProc = MyWndProc; // 窗口过程函数 mywnd.hInstance = hInstance; // 进程句柄 mywnd.hIcon = NULL; // 应用程序图标句柄，使用LoadIcon函数 mywnd.hCursor = NULL; // 应用程序光标句柄，LoadCursor函数 /*mywnd.hbrBackground = (HBRUSH)(COLOR_WINDOW+2); mywnd.hbrBackground = (HBRUSH) GetStockObject (WHITE_BRUSH); */ mywnd.hbrBackground = (HBRUSH)CreateSolidBrush(RGB(255,0,0));// 背景画刷句柄 mywnd.lpszMenuName = MAKEINTRESOURCE(IDR_MENU1); mywnd.lpszClassName = "MyWndClass"; //注册窗口类 ATOM atom = RegisterClassEx(&mywnd); //创建窗口 HWND myhwnd = CreateWindowEx( WS_EX_CLIENTEDGE, "MyWndClass", "WindowsName", WS_OVERLAPPEDWINDOW, 100,//与窗口Left的距离 120,//与窗口Top的距离 640,//窗口的宽度 480,//窗口的高度 NULL, NULL, hInstance, NULL); //显示及刷新窗口 ShowWindow(myhwnd, SW_SHOWNORMAL); UpdateWindow(myhwnd); //进行消息循环 BOOL bRet; MSG msg; HWND hWnd = myhwnd; while( (bRet = GetMessage(&msg, hWnd, 0 , 0)) != 0 ) { if(bRet == -1) { return -1;//if hWnd is an invalid window handle } else { TranslateMessage (&msg); DispatchMessage(&msg); } } //回调函数 LRESULT CALLBACK MyWndProc( HWND hwnd,// handle to window UINT uMsg,// message identifier WPARAM wParam,// first message parameter LPARAM lParam)// second message parameter { switch (uMsg) { case WM_CREATE: // Initialize the window. return 0; case WM_PAINT: // Paint the window's client area. return 0; case WM_CLOSE: DestroyWindow(hwnd); return 0; case WM_DESTROY: PostMessage(hwnd, WM_QUIT, NULL, NULL); return 0; case WM_COMMAND: // Process other messages. return 0; default: return DefWindowProc(hwnd, uMsg, wParam, lParam); } return 0; }