Name	Value	Description
cdrSnapPointUser	1	Specifies user-created snap points
cdrSnapPointObject	2	Specifies object snap points
cdrSnapPointBBox	4	Specifies bounding-box snap points
cdrSnapPointEdge	8	Specifies edge snap points
cdrSnapPointFree	16	Specifies free snap points
cdrSnapPointAuto	32	Specifies automatic snap points