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GetPointPointOnObject Method
Call this function to see if the point was on an object. If the point was on an object an ObjRef is returned; otherwise null is returned.

Namespace: Rhino.Input.Custom
Assembly: RhinoCommon (in RhinoCommon.dll) Version: 5.1.50000.0 (5.0.20693.0)
Syntax
public ObjRef PointOnObject()

Return Value

Type: ObjRef
A point object reference.
See Also