C++
AcDbObjectId extensionDictionary() const;
Description
Returns the objectId of the extension dictionary owned by the object. If the object does not own an extension dictionary, then the returned objectId is set to AcDbObjectId::kNull.
AcDbObjectId extensionDictionary() const;
Returns the objectId of the extension dictionary owned by the object. If the object does not own an extension dictionary, then the returned objectId is set to AcDbObjectId::kNull.