http://msmvps.com/blogs/martin_honnen/archive/2009/06/01/exploiting-covariance-with-linq-to-xml.aspxIn my last post I showed how the new contravariance feature in .NET 4.0/Visual Studio 2010 for type parameters of generic interfaces makes coding with LINQ to XML easier and more straightforward. In this post I will show how the covariance of the typeenCommunityServer 2008.5 SP2 (Build: 40407.4157)