C#: The Order of Interfaces Is Important for Casting PerformanceThomas Claudius Huber By Thomas Claudius Huber.NET, C#4 Comments Recently there was a discussion in a Pull Request for the .NET runtime on GitHub. In the discussion it was mentioned by Jan Kotas from Microsoft that the order of interfaces is important for the casting performance. I never heard of that, and looks I’m not alone: Raise your hand if you knew that. https://t.co/yH9SvREL9Hpic.twitter.com/wVAnw3mCxq— Immo Landwerth (@terrajobst...