#pragma once // CExtendSliderCtrl class CExtendSliderCtrl : public CSliderCtrl { DECLARE_DYNAMIC(CExtendSliderCtrl) public: CExtendSliderCtrl(); virtual ~CExtendSliderCtrl(); protected: DECLARE_MESSAGE_MAP() public: // 功能:让滑块移动到鼠标点击处 afx_msg void OnLButtonDown(UINT nFlags, CPoint point); };