AcRxObject AcGiDrawable AcHeapOperators AcDbObject AcDbEntity AcDbRegion
class AcDbRegion : public AcDbEntity;
dbregion.h
Objects of this class represent region entities in AutoCAD.
An AcDbRegion entity is a container and interface for a ShapeManager object that is the actual geometrical representation of the region. This class provides no provisions for directly manipulating the edges, vertices, or faces of the ShapeManager object that is the actual region representation.
AcGePlane, AcDbVoidPtrArray, AcDbFullSubentPath