DISPLAYFILTER_0	No flags.
DISPLAYFILTER_NULL	Null objects.
DISPLAYFILTER_POLYGON	Polygon objects.
DISPLAYFILTER_SPLINE	Spline objects.
DISPLAYFILTER_GENERATOR	Generator.
DISPLAYFILTER_HYPERNURBS	Hyper NURBS.
DISPLAYFILTER_UNUSED1	Bones.
DISPLAYFILTER_DEFORMER	Deformers.
DISPLAYFILTER_CAMERA	Cameras.
DISPLAYFILTER_LIGHT	Lights.
DISPLAYFILTER_SCENE	Scene objects.
DISPLAYFILTER_PARTICLE	Particle objects.
DISPLAYFILTER_OTHER	Other objects.
DISPLAYFILTER_NULLBONES	Null bones.
DISPLAYFILTER_GRID	Grid.
DISPLAYFILTER_HORIZON	Horizon.
DISPLAYFILTER_WORLDAXIS	World axis.
DISPLAYFILTER_BOUNDS	Bounds.
DISPLAYFILTER_HUD	HUD.
DISPLAYFILTER_SDS	SDS.
DISPLAYFILTER_HIGHLIGHTING	Highlighting.
DISPLAYFILTER_MULTIAXIS	Multi axis.
DISPLAYFILTER_OBJECTHANDLES	Object handles.
DISPLAYFILTER_HANDLEBANDS	Handle bands.
DISPLAYFILTER_SDSCAGE	SDS cage.
DISPLAYFILTER_NGONLINES	N-gon lines.
DISPLAYFILTER_JOINT	Joint objects.
DISPLAYFILTER_OBJECTHIGHLIGHTING	Private.
DISPLAYFILTER_GUIDELINES	Axis Guidelines.
DISPLAYFILTER_POI	Navigation cross.