Why prefix C# interface names with an “I”

Question

What is the rationale behind this naming convention?

I don\'t see any benefit. The extra prefix just pollutes the API.

My thinking is inline with Konrad\'s respo

Answer 1

I think that the IInterface naming convention is silly. It's an example of Hungarian notation, and I subscribe to the school of thought that despises Hungarian notation. If you have an interface with only one implementation that has the same name, consider the possibility that this is a code smell.

However, I still use it, because in this case IInterface is recommended by Microsoft, and "standard is better than better".