Covariance and Contravariance Delegates In C#

Question

What is Covariance and Contravariance delegates in c#?

Vulpes · Answer

Covariance permits a method to have a more derived return type than what is defined in the delegate. Contravariance permits a method with parameter types that are less derived than in the delegate type. For examples of what this means check this link: http://msdn.microsoft.com/en-us/library/ms173174(VS.80).aspx