objectARX动态块可见性获取

		ads_name ent;
		ads_point pt;
		if(RTNORM != acedEntSel(_T("\n选图块: "),ent,pt))
		{
			return;
		}
		AcDbObjectId objId;
		acdbGetObjectId(objId,ent);

		AcDbDynBlockReference dynBlkRef(objId);
		if(!dynBlkRef.isDynamicBlock())
		{
			acutPrintf(_T("\n非动态块参照!"));
			return;
		}
		AcDbDynBlockReferencePropertyArray props;
		dynBlkRef.getBlockProperties(props);
		for (int i=0;i<props.length();i++)
		{
			AcDbDynBlockReferenceProperty prop= props.at(i);
			acutPrintf(_T("\n属性名:%s "),prop.propertyName()); 
			if(_T("可见性") != prop.propertyName()) continue;			
			AcDbEvalVariantArray values;
			prop.getAllowedValues(values);
			for (int j=0;j<values.length();j++)
			{
				AcDbEvalVariant v= values.at(j);
				AcString s;
				v.getValue(s);
				if(!s.isEmpty())
					acutPrintf(_T("\n可见性名称:%s "),s);
			}
		}