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// DragDialogDlg.h : header file//#pragma once// CDragDialogDlg dialogclass CDragDialogDlg : public CDialog{// Constructionpublic:	CDragDialogDlg(CWnd* pParent = NULL);	// standard constructor// Dialog Data	enum { IDD = IDD_DRAGDIALOG_DIALOG };	protected:	virtual void DoDataExchange(CDataExchange* pDX);	// DDX/DDV support// Implementationprotected:	HICON m_hIcon;	// Generated message map functions	virtual BOOL OnInitDialog();	afx_msg void OnPaint();	afx_msg HCURSOR OnQueryDragIcon();	DECLARE_MESSAGE_MAP()public:	afx_msg UINT OnNcHitTest(CPoint point);	afx_msg void OnLButtonDown(UINT nFlags, CPoint point);	afx_msg void OnLButtonUp(UINT nFlags, CPoint point);	bool m_mousedown;	};