myobject.h

实现撤销和恢复功能得远吗

// MyObject.h: interface for the CMyObject class.
//
//////////////////////////////////////////////////////////////////////

#if !defined(AFX_MYOBJECT_H__841CAFC5_95A0_40E3_9774_82F2967A425C__INCLUDED_)
#define AFX_MYOBJECT_H__841CAFC5_95A0_40E3_9774_82F2967A425C__INCLUDED_

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

class CMyObject  
{
public:
	CMyObject(CRect rect);
	virtual ~CMyObject();

protected:
	DWORD    m_nRef;

private:
	CRect  m_rect;

public:
	void Draw( CDC * pDC );
	void AddRef( );
	void Release( );
	CRect GetObjRect( ) { return m_rect; }
	void  SetObjRect( CRect rect ) { m_rect = rect; }
};

#endif // !defined(AFX_MYOBJECT_H__841CAFC5_95A0_40E3_9774_82F2967A425C__INCLUDED_)