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

It is the base class for all the kind of supported geometries.

Autodesk.AutoCAD.DatabaseServices.ConstraintGroupNode
    Autodesk.AutoCAD.DatabaseServices.ConstrainedGeometry
        Autodesk.AutoCAD.DatabaseServices.ConstrainedCurve
        Autodesk.AutoCAD.DatabaseServices.ConstrainedPoint
        Autodesk.AutoCAD.DatabaseServices.ConstrainedRigidSet

Public Class ConstrainedGeometry
Inherits ConstraintGroupNode

public class ConstrainedGeometry : ConstraintGroupNode;