arx 查找块表添加实体公用代码

//查找表


AcDbBlockTable *pBlockTable;
acdbHostApplicationServices()->workingDatabase()->getBlockTable(pBlockTable,AcDb::kForRead);


//查找记录


AcDbBlockTableRecord *pBlockTableRecord;
pBlockTable->getAt(ACDB_MODEL_SPACE,pBlockTableRecord,AcDb::kForWrite);


//添加实体


AcDbObjectId lineld;
pBlockTableRecord->appendAcDbEntity(lineld,ptLine);

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