This class represents a EqualLength constraint node in the owning Assoc2dConstraintGroup. 

It can be applied between two constrained bounded lines (not rays).

Autodesk.AutoCAD.DatabaseServices.ConstraintGroupNode
    Autodesk.AutoCAD.DatabaseServices.GeometricalConstraint
        Autodesk.AutoCAD.DatabaseServices.EqualLengthConstraint

Public Class EqualLengthConstraint
Inherits GeometricalConstraint

public class EqualLengthConstraint : GeometricalConstraint;