Predicate Delegates in C#

Question

Can you explain to me:

• What is a Predicate Delegate?
• Where should we use predicates?
• Any best practices when using predicates?

Answer 1

Just a delegate that returns a boolean. It is used a lot in filtering lists but can be used wherever you'd like.

List  myList = new List (x.StartTime <= minDateToReturn && x.EndTime >= maxDateToReturn):