This wraps the ObjectARX AcDbAssocEdgeActionParam class.

Autodesk.AutoCAD.DatabaseServices.DBObject
    Autodesk.AutoCAD.DatabaseServices.AssocActionParam
        Autodesk.AutoCAD.DatabaseServices.AssocEdgeActionParam

Public Class AssocEdgeActionParam
Inherits AssocActionParam

public class AssocEdgeActionParam : AssocActionParam;