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사용 함수 :

ArxSetBlockRefColor(AcDbBlockReference* pBlkRef , const int& colorIndex)
/**            
\brief	The ArxSetBlockDefColor function
\param  objId        a parameter of type const AcDbObjectId&
\param  colorIndex   a parameter of type const int&
\return void         
*/
void ArxSetBlockDefColor(const AcDbObjectId& objId , const int& colorIndex)
{
	USES_OKEYS;
	AcDbBlockTableRecord* pRcd;
	try
	{
		ARXOK(acdbOpenObject(pRcd,objId,AcDb::kForRead));
		//////////////////////////////////////////////////////////////////////////
		AcDbBlockTableRecordIterator* pIterator;
		if(Acad::eOk == pRcd->newIterator(pIterator))
		{
			for(;pIterator && !pIterator->done();pIterator->step())
			{
				AcDbEntity* pEnt;
				try
				{
					ARXOK(pIterator->getEntity(pEnt,AcDb::kForWrite));
					if(pEnt->isKindOf(AcDbBlockReference::desc()))
					{
						AcDbObjectId blockId = AcDbBlockReference::cast(pEnt)->blockTableRecord();
						pEnt->setColorIndex(colorIndex);
						ARXCLOSE(pEnt);
						ArxSetBlockDefColor(blockId , colorIndex);
					}
					else
					{
						pEnt->setColorIndex(colorIndex);
						ARXCLOSE(pEnt);
					}
				}
				catch(const char* ex)
				{
					ARXERROR(ex);
				}
			}
			delete pIterator;
		}
		//////////////////////////////////////////////////////////////////////////
		ARXCLOSE(pRcd);
	}
	catch(const char* ex)
	{
	   ARXERROR(ex);
	}
}
 
/**            
\brief      The ArxSetBlockRefColor function
\param      pBlkRef    a parameter of type AcDbBlockReference*
\param      colorIndex a parameter of type const int&
\return     void         
*/
void ArxSetBlockRefColor(AcDbBlockReference* pBlkRef , const int& colorIndex)
{
	assert(pBlkRef && "pBlkRef is NULL");
	if(pBlkRef)
	{
	   AcDbObjectIterator* pItr = pBlkRef->attributeIterator();
	   if(NULL != pItr)
	   {
			for(;!pItr->done();pItr->step())
			 {
				AcDbObjectId attrId=pItr->objectId();
				AcDbObject* pAttr;
				try
				{
					USES_OKEYS;
					ARXOK(acdbOpenObject(pAttr,attrId,AcDb::kForWrite));
					if(pAttr->isKindOf(AcDbEntity::desc()))
					{
						AcDbEntity::cast(pAttr)->setColorIndex(colorIndex);
					}
					ARXCLOSE(pAttr);
				}
				catch(const char* es)
				{
					ARXERROR(es);
				}
			 }
 
			 delete pItr;
			 pBlkRef->setColorIndex(colorIndex);
		}
 
		AcDbObjectId blockTableRecordId = pBlkRef->blockTableRecord();
		ArxSetBlockDefColor(blockTableRecordId , colorIndex);
	}
}