//-----------------------------------------------------------------------------+
// Copyright (C), 1998-2007, Beijing Tangent Software Co. Ltd.
// = FileName	:   TAcDbBlockTable Àà
// = Version	:   ver2.0
// = Author		:   wlw
// = CreateDate	:   2002-09-09
// = Description:   TAcDbBlockTable ÉùÃ÷
// = Maintainers: 
//                  
//-----------------------------------------------------------------------------+
#ifndef _TACDBBLOCKTABLE_H_
#define _TACDBBLOCKTABLE_H_

#ifndef _TSYMBOLTABLERECORD_H_
#include "TSymbolTableRecord.h"
#endif

#ifndef _TENTITYSET_H_
#include "TEntitySet.h" 
#endif

#ifndef _TADSGEPOINT3D_H_
#include "TADSGePoint3d.h"
#endif

class GEOAPI TAcDbBlockTable : public TAcDbSymbolTable 
{
public:
	
	TAcDbBlockTable(const TCHAR *blkName);

	~TAcDbBlockTable();
	
	int GetExtend(ads_point lowPt, ads_point upPt, ads_matrix tranMat = NULL);
	
	int operator !();
	
	int EntNext();
	
public:
	
	TEntitySet ent;
	
	TADSGePoint3d base;
};


inline int TAcDbBlockTable::operator !() 
{
	return (TAcDbSymbolTable::operator !() || !ent);
}

#endif