mscorlib 4.0.0.0 Contravariant Contravariant Contravariant Contravariant Covariant System.Delegate System.Runtime.CompilerServices.TypeForwardedFrom("System.Core, Version=3.5.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089") `` `` `` `` TResult To be added. To be added. To be added. To be added. To be added. To be added. To be added. To be added. To be added. To be added. To be added. To be added.