C++程序设讠 H protected afx msg void OnLButtonDown UINT nFlags, CPoint point afx msg void OnPaint DECLARE MESSAGE MAPO 消息映射 BEGIN MESSAGE MAP(CMy Wnd, CFrame Wnd) ON WM LBUTTONDOWNO ON WM PAINTO END MESSAGE MAPOC++程序设计 protected: afx_msg void OnLButtonDown(UINT nFlags,CPoint point); afx_msg void OnPaint(); DECLARE_MESSAGE_MAP() }; //消息映射 BEGIN_MESSAGE_MAP(CMyWnd,CFrameWnd) ON_WM_LBUTTONDOWN() ON_WM_PAINT() END_MESSAGE_MAP()