~cpp #include <windows.h> LRESULT CALLBACK WndProc(HWND,UINT,WPARAM,LPARAM); HINSTANCE g_hInst; LPSTR lpszClass="First"; int APIENTRY WinMain(HINSTANCE hInstance,HINSTANCE hPrevInstance ,LPSTR lpszCmdParam,int nCmdShow) { HWND hWnd; MSG Message; WNDCLASS WndClass; g_hInst=hInstance; WndClass.cbClsExtra=0; WndClass.cbWndExtra=0; WndClass.hbrBackground=(HBRUSH)GetStockObject(WHITE_BRUSH); WndClass.hCursor=LoadCursor(NULL,IDC_ARROW); WndClass.hIcon=LoadIcon(NULL,IDI_APPLICATION); WndClass.hInstance=hInstance; WndClass.lpfnWndProc=(WNDPROC)WndProc; WndClass.lpszClassName=lpszClass; WndClass.lpszMenuName=NULL; WndClass.style=CS_HREDRAW | CS_VREDRAW; RegisterClass(&WndClass); hWnd=CreateWindow(lpszClass,lpszClass,WS_OVERLAPPEDWINDOW, CW_USEDEFAULT,CW_USEDEFAULT,CW_USEDEFAULT,CW_USEDEFAULT, NULL,(HMENU)NULL,hInstance,NULL); ShowWindow(hWnd,nCmdShow); while(GetMessage(&Message,0,0,0)) { TranslateMessage(&Message); DispatchMessage(&Message); } return Message.wParam; } LRESULT CALLBACK WndProc(HWND hWnd,UINT iMessage,WPARAM wParam,LPARAM lParam) { switch(iMessage) { case WM_DESTROY: PostQuitMessage(0); return 0; } return(DefWindowProc(hWnd,iMessage,wParam,lParam)); }