using System;

using System.Collections.Generic;

​

public class Program

{

    static List<Action> action1;

    static List<Action> action2;

    public static void Main()

    {

        //

        // the Both method goes on the invokation list of both action1 and action2

        action1 = new List<Action> { Both };

        action2 = action1;

        //      

        // anything now assigned to action1 only goes to action1

        action1.Add(OnlyAction1);

        //

        // and anything now assigned to action2 only goes to action2

        action2.Add(OnlyAction2);

        //

        foreach (var d in action1)

            Console.WriteLine(d.Method.Name);

        foreach (var d in action2)

            Console.WriteLine(d.Method.Name);

        //

        // since both actions have the same HashCode, 

        // I was expected both actions to have the same invokation list.

        Console.WriteLine(action1.GetHashCode());

        Console.WriteLine(action2.GetHashCode());

    }

​

    public static void Both() {}

    public static void OnlyAction1() {}

    public static void OnlyAction2() { }

}