This class represents a constrained point node in the owning Assoc2dConstraintGroup. 

Usually It holds a reference to a AssocGeomDependency object which may be the insertion point of a block reference or a grip point of a custom entity.

Autodesk.AutoCAD.DatabaseServices.ConstraintGroupNode
    Autodesk.AutoCAD.DatabaseServices.ConstrainedGeometry
        Autodesk.AutoCAD.DatabaseServices.ConstrainedPoint
            Autodesk.AutoCAD.DatabaseServices.ConstrainedImplicitPoint

Public Class ConstrainedPoint
Inherits ConstrainedGeometry

public class ConstrainedPoint : ConstrainedGeometry;