What are 'closures' in .NET?

Question

What is a closure? Do we have them in .NET?

If they do exist in .NET, could you please provide a code snippet (preferably in C#) explaining it?

Answer 1

A closure is a function, defined within a function, that can access the local variables of it as well as its parent.

public string GetByName(string name)
{
   List theThings = new List();
  return  theThings.Find(t => t.Name == name)[0];
}

so the function inside the find method.

 t => t.Name == name

can access the variables inside its scope, t, and the variable name which is in its parents scope. Even though it is executed by the find method as a delegate, from another scope all together.