AcRxObject AcDbAssocPersSubentId AcDbAssocSimplePersSubentId
class AcDbAssocSimplePersSubentId : public AcDbAssocPersSubentId;
AcDbAssocSimplePersSubentId.h
This concrete class, derived AcDbAssocPersSubentId, is for persisting AcDbSubentId that do not change.