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");
    }
}
 

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