public void AddUser(string name = "name")
        {
            var user = new User(name);
            _users.Add(user);
            user.Renamed2 +=
                delegate(object sender, RenamedEventArgs e)
                {
                    Console.WriteLine("{0} was renamed to {1}!", e.OldName, e.Name);
                };

            user.Renamed2 += (sender, e) => { Console.WriteLine("ZOMG its " + e.Name); };
        }
 public void AddUser2(string name = "Hello")
 {
     var user = new User(name);
 }