using System;

public class Program

{

    public static void Main()

    {

        var myDelegateClass = new DelegateClass();

        myDelegateClass.MyDelegate += () => Console.WriteLine("Method 1");      

        myDelegateClass.MyDelegate += () => Console.WriteLine("Method 2");

        myDelegateClass.InvokeDelegate();

        var myEventClass = new EventClass();

        myEventClass.MyEvent += () => Console.WriteLine("Method 1");        

        myEventClass.MyEvent += () => Console.WriteLine("Method 2");

        myEventClass.InvokeEvent();

    }

}

​

public delegate void MyDelegate();

​

public class DelegateClass

{

    public MyDelegate MyDelegate;

​

    public void InvokeDelegate()

    {

        MyDelegate();

    }

}

​

public class EventClass

{

    public event MyDelegate MyEvent;

​

    public void InvokeEvent()

    {

        MyEvent?.Invoke();

    }

}