http://blogs.msdn.com/beatsch/archive/2004/03/13/89112.aspxTo follow up on my recent post , I came to the conclusion that I’m definitely not missing latent typing ! At the end, the question is whether you want to have tightly or loosely coupled implementations. IMHO coupling at the level of a programmingen-USCommunityServer 2.1 SP1 (Build: 61025.2)