CustomObjectGripsNurbsCurve Method

If the grips control a NURBS curve, this returns a pointer to that curve. You can look at but you must NEVER change this curve. Return a curve held in a field, never a temporary: Rhino keeps the underlying pointer after this call returns.

protected virtual NurbsCurve NurbsCurve()

Protected Overridable Function NurbsCurve As NurbsCurve