Related resources for delegate type
  • Assignment Compatibility, Covariance and Contravariance8/12/2013 4:48:13 PM. The terms covariance and contravariance enable implicit references to conversion of array type, delegate type, and generic type arguments. Covariance preserves assignment compatibility and contravariance reverses it.
C# Language Specification 5.0
This book provides a complete description of the C# language 5.0.