Handle event from another class.

I'm trying to do this simple thing but it doesn't work,

Public Class Window1

Protected Friend Overridable Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.Windows.RoutedEventArgs) Handles Button1.Click

End Sub

End Class

Public Class UIL
Inherits Window1

Protected Friend Overrides Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.Windows.RoutedEventArgs) Handles Button1.Click
MsgBox("hello")
End Sub

End Class

When i click the button, it should show the message box, but it doesn't.
I have checked that there are not events declared in the XAML part,
and i tried with Shadows or Overloads, but i still do get nothing.

Is there something wrong with the Inherits ?

Do you have any idea ?

Thank you,

[1010 byte] By [Aybe81] at [2008-2-27]