WM_ 消息处理程序：L - M
下面左侧的映射条目对应于右侧的函数原型：
| 映射条目 | 函数原型 |
|---|---|
| ON_WM_LBUTTONDBLCLK() | afx_msg void OnLButtonDblClk(UINT, CPoint); |
| ON_WM_LBUTTONDOWN() | afx_msg void OnLButtonDown(UINT, CPoint); |
| ON_WM_LBUTTONUP() | afx_msg void OnLButtonUp(UINT, CPoint); |
| ON_WM_MBUTTONDBLCLK() | afx_msg void OnMButtonDblClk(UINT, CPoint); |
| ON_WM_MBUTTONDOWN() | afx_msg void OnMButtonDown(UINT, CPoint); |
| ON_WM_MBUTTONUP() | afx_msg void OnMButtonUp(UINT, CPoint); |
| ON_WM_MDIACTIVATE() | afx_msg void OnMDIActivate(BOOL, CWnd*, CWnd*); |
| ON_WM_MEASUREITEM() | afx_msg void OnMeasureItem(LPMEASUREITEMSTRUCT); |
| ON_WM_MENUCHAR() | afx_msg LONG OnMenuChar(UINT, UINT, CMenu*); |
| ON_WM_MENUDRAG() | afx_msg UINT OnMenuDrag(UINT, CMenu*); |
| ON_WM_MENUGETOBJECT() | afx_msg UINT OnMenuGetObject(MENUGETOBJECTINFO*); |
| ON_WM_MENURBUTTONUP() | afx_msg void OnMenuRButtonUp(UINT, CMenu*); |
| ON_WM_MENUSELECT() | afx_msg void OnMenuSelect(UINT, UINT, HMENU); |
| ON_WM_MOUSEACTIVATE() | afx_msg int OnMouseActivate( CWnd*, UINT, UINT ); |
| ON_WM_MOUSEHOVER() | afx_msg void OnMouseHover(UINT, CPoint); |
| ON_WM_MOUSEHWHEEL() | afx_msg void OnMouseHWheel(UINT, short, CPoint); |
| ON_WM_MOUSELEAVE() | afx_msg void OnMouseLeave(); |
| ON_WM_MOUSEMOVE() | afx_msg void OnMouseMove( UINT, CPoint); |
| ON_WM_MOUSEWHEEL() | afx_msg BOOL OnMouseWheel(UINT, short, CPoint); |
| ON_WM_MOVE() | afx_msg void OnMove(int, int); |
| ON_WM_MOVING() | afx_msg void OnMoving(UINT, LPRECT); |