c# delegates

gistfile1.cs

using System;

class LoginResponse
{
    public string Token { get; set; }

    public LoginResponse(string token) {
        Token = token;
    }
}

class LoginService
{
    public delegate void LoginSuccess(LoginResponse response);
    public delegate void LoginFailed(string message);

    public static void Login(string username, string password, LoginSuccess success, LoginFailed failed)
    {
        Console.WriteLine("calling login...");
        if (new Random().Next(0, 2) == 0) {
            success(new LoginResponse("token"));
        } else {
            failed("sicis");
        }
    }
}

class Program
{
    static void Main()
    {
        Console.WriteLine("hello");
        LoginService.Login("username", "password", (loginResponse) => {
            Console.WriteLine("got token {0}", loginResponse.Token);

            // user pref => token
            // user pref => provider

//            Navigate. ...

        }, (message) => {
            Console.WriteLine("sictik {0}", message);

  //          alert ah
        });
    }
}