Provides extension methods that allow to treat collections, enumerables and lists as covariant of a generic type other than their constructed type (i.e. for down-casting collections).

xUnit Tests for netfx-System.Collections.Generic.CovariantExtensions

Provides a covariant enhanced version of the EventPattern<TEventArgs>, in the form of IEvent<out TEventArgs> and Event<TEventArgs> (wihch inherits from EventPattern<TEventArgs>).