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CHtmlCtrl::OnShowContextMenu Method
C++
virtual HRESULT OnShowContextMenu(DWORD dwID, LPPOINT ppt, LPUNKNOWN pcmdtReserved, LPDISPATCH pdispReserved);

当Internet Explorer或MSHTML将显示上下文菜单时被调用.

Parameters 
Description 
DWORD dwID 
被显示的上下文菜单的ID. 
LPPOINT ppt 
菜单的屏幕坐标. 
LPUNKNOWN pcmdtReserved 
IOleCommandTarget接口指针. 
LPDISPATCH pdispReserved 
IDispatch接口指针, 

请参考:IDocHostUIHandler::ShowContextMenu.

重写OnShowContextMenu来响应Microsoft Web Browser发出的ShowContextMenu通知. 此函数仅在_MSC_VER的值大于1200时有效(Visual C++6.0以上版本).