摘要:
一个button类里面包含一个tooltip(CTooltipCtrl tooltip)button类从CMessagefilter派生,并处理pretranlatemessage函数如下:BOOL PreTranslateMessage(MSG *pMsg){ tooltip.RelayEvent(pMsg); return false;}然后映射WM_CREATE, WM_DESTROY消息如下处理LRESULT OnCreate(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM /*lParam*/, BOOL& bHandled){CMessag 阅读全文