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

It can be applied between two HelpParameter objects which belong to the same spline or ellipse.

Autodesk.AutoCAD.DatabaseServices.ConstraintGroupNode
    Autodesk.AutoCAD.DatabaseServices.GeometricalConstraint
        Autodesk.AutoCAD.DatabaseServices.EqualHelpParameterConstraint

Public Class EqualHelpParameterConstraint
Inherits GeometricalConstraint

public class EqualHelpParameterConstraint : GeometricalConstraint;