This wraps the ObjectARX AcDbAssocPathActionParam class.

Autodesk.AutoCAD.DatabaseServices.DBObject
    Autodesk.AutoCAD.DatabaseServices.AssocActionParam
        Autodesk.AutoCAD.DatabaseServices.AssocCompoundActionParam
            Autodesk.AutoCAD.DatabaseServices.AssocPathActionParam

Public Class AssocPathActionParam
Inherits AssocCompoundActionParam

public class AssocPathActionParam : AssocCompoundActionParam;