Overloading & Co/Contra-variance could break your code! 08 April 2010 Peter-Himschoot .NET Development, VS2010 Co and contra-variance were introduced to VB.NET and C# to make working with certain classes more natural (“because it should work”). But beware, I was experimenting a bit with this and found following possible breaking change. I started with these two classes: C# 1: public class Person... [More]