LAYER_FILTER (DXF)

The following group codes are used by LAYER_FILTER objects.

LAYER_FILTER group codes
Group code	Description
0	Object name (LAYER_FILTER)
5	Handle
102	Start of persistent reactors group; always “{ACAD_REACTORS”
330	Soft-pointer ID/handle to owner dictionary
102	End of persistent reactors group, always “}”
100	Subclass marker (AcDbFilter)
100	Subclass marker (AcDbLayerFilter)
8	Layer name (multiple entries may exist)