http://blogs.msdn.com/ron_cundiff/archive/2007/05/07/visual-basic-net-soup-to-nuts-webcast-series-part-13-inheritance-and-polymorphism-wrap-up.aspxIn this session, we discussed inheritance and polymorphism in Visual Basic, and how to implement a class hierarchy. Here are the resources for this session: View the on-demand video of this webcast Download the slides Download the code And here are someen-USCommunityServer 2.1 SP1 (Build: 61025.2)