Remove all construction points.
RhinoCommon (in RhinoCommon.dll)
public void ClearConstructionPoints()
Public Sub ClearConstructionPoints
Construction points are like snap points except that they get snapped to
even when point osnap is off. Typically, there are only a few construction
points while there can be many snap points. For example, when polylines
are drawn the start point is a construction point and the other points are