mfc的一个简单例子

#include "windows.h" //窗口函数 LRESULT CALLBACK WNDFUN (HWND hWnd, UINT msg, WPARAM wparam, LPARAM lparam) { switch (msg) { case WM_PAINT: { HDC hdc = GetDC(hWnd); SetBkMode(hdc,TRANSPARENT); TextOut(hdc,20,20,"明日科技有限公司",16); DeleteDC(hdc); break; } case WM_CLOSE: { DestroyWindow(hWnd); break; } case WM_DESTROY: { PostQuitMessage(0); break; } default: return DefWindowProc(hWnd,msg,wparam,lparam); } return 0; } //程序的进入点 int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow) { //设计窗口类 WNDCLASS wndcls; wndcls.style = CS_DBLCLKS|CS_VREDRAW|CS_HREDRAW; wndcls.lpszMenuName = NULL; wndcls.lpszClassName = "CustomWnd"; wndcls.lpfnWndProc = WNDFUN; wndcls.hInstance = GetModuleHandle(NULL); wndcls.hIcon = NULL; wndcls.hCursor = NULL; wndcls.hbrBackground = (HBRUSH)GetStockObject(GRAY_BRUSH); wndcls.cbClsExtra = 0; wndcls.cbWndExtra = 0; //注册窗口类 RegisterClass(&wndcls); //创建窗口 HWND hwnd; hwnd = CreateWindow("CustomWnd","Win32App",WS_CAPTION|WS_OVERLAPPEDWINDOW|WS_SYSMENU,50,50,500,500,NULL,NULL,wndcls.hInstance,NULL); //显示窗口 ShowWindow(hwnd,SW_SHOW); UpdateWindow(hwnd); //进入消息循环 MSG msg; while (GetMessage(&msg,NULL,0,0)) { TranslateMessage(&msg); DispatchMessage(&msg); } return msg.wParam; }