www.pudn.com > ListCtrl_Column_Picker.zip > CListCtrl_Column_Picker.h

#pragma once 
 
class CListCtrl_Column_Picker : public CListCtrl 
{ 
	struct ColumnState 
	{ 
		ColumnState() 
			:m_Visible(false) 
			,m_OrgWidth(0) 
			,m_OrgPosition(-1) 
		{} 
		bool m_Visible; 
		int  m_OrgWidth;	// Width it had before being hidden 
		int  m_OrgPosition;	// Position it had before being hidden 
	}; 
	CSimpleArray	m_ColumnStates; 
	int GetColumnStateCount(); 
	void InsertColumnState(int nCol, bool bVisible, int nOrgWidth = 0); 
	void DeleteColumnState(int nCol); 
	ColumnState& GetColumnState(int nCol); 
 
	DECLARE_MESSAGE_MAP() 
 
	virtual afx_msg void OnKeyDown(UINT nChar, UINT nRepCnt, UINT nFlags); 
	virtual afx_msg LRESULT OnDeleteColumn(WPARAM wParam, LPARAM lParam); 
	virtual afx_msg LRESULT OnInsertColumn(WPARAM wParam, LPARAM lParam); 
	virtual afx_msg LRESULT OnSetColumnWidth(WPARAM wParam, LPARAM lParam); 
	virtual afx_msg BOOL OnHeaderBeginResize(UINT id, NMHDR* pNmhdr, LRESULT* pResult); 
	virtual afx_msg BOOL OnHeaderEndDrag(UINT id, NMHDR* pNmhdr, LRESULT* pResult); 
	virtual afx_msg void OnContextMenu(CWnd*, CPoint point); 
	virtual BOOL OnCommand(WPARAM wParam, LPARAM lParam); 
 
	virtual void PreSubclassWindow(); 
 
public: 
	bool IsColumnVisible(int nCol); 
	int GetFirstVisibleColumn(); 
	BOOL ShowColumn(int nCol, bool bShow); 
	BOOL SetColumnWidthAuto(int nCol = -1, bool includeHeader = false); 
};