This class represents a Concentric constraint node in the owning Assoc2dConstraintGroup. It can be applied between two circles, arcs or ellipses.

Autodesk.AutoCAD.DatabaseServices.ConstraintGroupNode
    Autodesk.AutoCAD.DatabaseServices.GeometricalConstraint
        Autodesk.AutoCAD.DatabaseServices.ConcentricConstraint
            Autodesk.AutoCAD.DatabaseServices.CenterPointConstraint

Public Class ConcentricConstraint
Inherits GeometricalConstraint

public class ConcentricConstraint : GeometricalConstraint;