A.CWinApp B.CMainFrame C.CDocument D.CView
A.GetMessage函數(shù)在消息隊列非空時,取得消息并返回 B.若GetMessage取得的是WM_CLOSE消息則返回0,否則返回非0 C.GetMessage函數(shù)在消息隊列為空時,將一直空閑 D.DispatchMessage將當(dāng)前消息發(fā)送到對應(yīng)的窗口過程中去
A.HINSTANCE B.HFONT C.HDC D.HWND