www.pudn.com > gridctrl_demo225.rar > GridDropTarget.h

////////////////////////////////////////////////////////////////////// 
// GridDropTarget.h : header file 
// 
// MFC Grid Control - Drag/Drop target implementation 
// 
// Written by Chris Maunder  
// Copyright (c) 1998-2002. 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  
 
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_)