'Author: ' V. Sudharsan (vsudharsan@novell.com) ' ' (C) 2005 Novell, Inc. Imports System Class AA Inherits System.MarshalByRefObject Public Function fun() End Function End Class Class AAA Public Function fun(a As AA) End Function End Class Module Test Public Sub Main() dim b as AA = new AA() dim a as AAA = new AAA() a.fun(b) End Sub End Module