using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("test");

        eventos.hola();

        eventos.Hola_delegado += () => Console.WriteLine("evento") ;         

        eventos.dispararevento();

    }

}

 class eventos

    {

​

        public delegate void eventhanhola();

        public static event eventhanhola Hola_delegado;

        public static void hola()

        {

            Console.WriteLine("Hola");

        }

     public static void dispararevento()

     {

         Hola_delegado();

     }

    }