lyfz_repos/经典版源码/MonitoringCenter/DB/GridCtrl/GridDropTarget.h

//////////////////////////////////////////////////////////////////////
// GridDropTarget.h : header file
//
// MFC Grid Control - Drag/Drop target implementation
//
// Written by Chris Maunder <cmaunder@mail.com>
// Copyright (c) 1998-2001. All Rights Reserved.
//
// This code may be used in compiled form in any way you desire. This
// file may be redistributed unmodified by any means PROVIDING it is 
// not sold for profit without the authors written consent, and 
// providing that this notice and the authors name and all copyright 
// notices remains intact. 
//
// An email letting me know how you are using it would be nice as well. 
//
// This file is provided "as is" with no expressed or implied warranty.
// The author accepts no liability for any damage/loss of business that
// this product may cause.
//
// For use with CGridCtrl v2.10+
//
//////////////////////////////////////////////////////////////////////

#if !defined(AFX_GRIDDROPTARGET_H__5C610981_BD36_11D1_97CD_00A0243D1382__INCLUDED_)
#define AFX_GRIDDROPTARGET_H__5C610981_BD36_11D1_97CD_00A0243D1382__INCLUDED_

#if _MSC_VER >= 1000
#pragma once
#endif // _MSC_VER >= 1000


#include <afxole.h>

class CGridCtrl;

/////////////////////////////////////////////////////////////////////////////
// CGridDropTarget command target

class CGridDropTarget : public COleDropTarget
{
public:
	CGridDropTarget();
	virtual ~CGridDropTarget();

	// Attributes
public:
	CGridCtrl* m_pGridCtrl;
	BOOL       m_bRegistered;

	// Operations
public:
	BOOL Register(CGridCtrl *pGridCtrl);
	virtual void Revoke();

	BOOL        OnDrop(CWnd* pWnd, COleDataObject* pDataObject, DROPEFFECT dropEffect, CPoint point);
	DROPEFFECT  OnDragEnter(CWnd* pWnd, COleDataObject* pDataObject, DWORD dwKeyState, CPoint point);
	void        OnDragLeave(CWnd* pWnd);
	DROPEFFECT  OnDragOver(CWnd* pWnd, COleDataObject* pDataObject, DWORD dwKeyState, CPoint point);
	DROPEFFECT  OnDragScroll(CWnd* pWnd, DWORD dwKeyState, CPoint point);

	// Overrides
	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CGridDropTarget)
	//}}AFX_VIRTUAL

	// Implementation
protected:

	// Generated message map functions
	//{{AFX_MSG(CGridDropTarget)
	//}}AFX_MSG

	DECLARE_MESSAGE_MAP()
};

/////////////////////////////////////////////////////////////////////////////

//{{AFX_INSERT_LOCATION}}
// Microsoft Developer Studio will insert additional declarations immediately before the previous line.

#endif // !defined(AFX_GRIDDROPTARGET_H__5C610981_BD36_11D1_97CD_00A0243D1382__INCLUDED_)