Class Hierarchy
AcHeapOperators AcDbGraph AcDbObjectIdGraph
C++
class AcDbObjectIdGraph : public AcDbGraph;
File
idgraph.h
Description
AcDbObjectIdGraph is derived from AcDbGraph and is used to represent the relationship of object IDs to one another. This class is used by the one pass purge method (AcDbDatabase::purge(AcDbObjectIdGraph& idGraph)) to represent the references from one object ID to another.