Imports System 'Testing a inner class that inherits from it's outer class Class C4 Class C5 Inherits C4 Public Function F1() As Integer Return F() End Function End Class Public Function F() As Integer Return 1 End Function End Class Module Inheritance Sub Main() Dim myC As New C4.C5() If myC.F1()<>1 Then Throw New Exception("InheritanceI:Failed-Error inheriting an inner class from it's outer class") End If End Sub End Module