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

It can be applied on any constrained geometry.

Autodesk.AutoCAD.DatabaseServices.ConstraintGroupNode
    Autodesk.AutoCAD.DatabaseServices.GeometricalConstraint
        Autodesk.AutoCAD.DatabaseServices.FixedConstraint

Public Class FixedConstraint
Inherits GeometricalConstraint

public class FixedConstraint : GeometricalConstraint;