using System;

public class Test
{
	public static void Main()
	{
		new TestEvent();
	}
}

public class TestEvent
{
    public event Action Event;

    public TestEvent()
    {
        Action d1 = Print;
        Action d2 = Print;

        // The delegates are distinct
        Console.WriteLine("d1 and d2 are the same: {0}", object.ReferenceEquals(d1, d2));

        Event += d1;
        Event -= d2;

        // But the second one is able to remove the first one :-)
        // (an event when is empty is null)
        Console.WriteLine("d2 was enough to remove d1: {0}", Event == null);
    }

    public void Print()
    {
        Console.WriteLine("TestEvent");
    }
}