#pragma once
#include "SymbolTableRecord.h"
#include "EntitySet.h" 
#include "ADSGePoint3d.h"

class SHAcDbBlockTable : public SHAcDbSymbolTable 
{
public:
	
	SHAcDbBlockTable(const TCHAR *blkName);

	~SHAcDbBlockTable();
	
	int GetExtend(ads_point lowPt, ads_point upPt, ads_matrix tranMat = NULL);
	
	int operator !();
	
	int EntNext();
	
public:
	
	EntitySet ent;

	ADSGePoint3d base;
};


inline int SHAcDbBlockTable::operator !() 
{
	return (SHAcDbSymbolTable::operator !() || !ent);
}