selectitemvisitor.h

来自「C语言库函数（包括所有的C语言库函数）」· C头文件 代码 · 共 31 行

// SelectItemVisitor.h: interface for the SelectItemVisitor class.
//
//////////////////////////////////////////////////////////////////////

#if !defined(AFX_SELECTITEMVISITOR_H__6AB3C794_C7CD_4CA3_93A1_9789E7E98427__INCLUDED_)
#define AFX_SELECTITEMVISITOR_H__6AB3C794_C7CD_4CA3_93A1_9789E7E98427__INCLUDED_

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

#include "AbstractVisitor.h"

//=================================================================
//选择图形元素访问者 : (在本例中未使用)
//=================================================================
class SelectItemVisitor : public AbstractVisitor  
{
public:
	SelectItemVisitor();
	virtual ~SelectItemVisitor();

public:
	virtual void VisitPoint    ( Point*    ,CDC* pDC = 0 );
	virtual void VisitCircle   ( Circle*   ,CDC* pDC = 0 );
	virtual void VisitLine     ( Line*     ,CDC* pDC = 0 );
	virtual void VisitRect     ( Rect*     ,CDC* pDC = 0 );
};

#endif // !defined(AFX_SELECTITEMVISITOR_H__6AB3C794_C7CD_4CA3_93A1_9789E7E98427__INCLUDED_)