EventMap in C#

gistfile1.cs

public class EventMap
{
	public delegate void SenderEvent(object sender);
	public delegate void Event();

	protected Dictionary<String, ArrayList> events;


	public object Sender { get; set; }

	public EventMap ()
	{
		events = new Dictionary<String, ArrayList>();
		Sender = this;
	}
	
	public void AddListener (String Name, SenderEvent ev)
	{
		ArrayList value;

		if (!events.TryGetValue(Name, out value)) {
			events.Add (Name, new ArrayList());
		}

		events [Name].Add (ev);
	}

	public void AddListener(String Name, Event ev)
	{
		AddListener(Name, ((object sender) => ev()));
	}

	public void RemoveListener (String Name)
	{
		ArrayList value;

		if (events.TryGetValue(Name, out value)) {
			events.Remove (Name);
		}
	}

	public void Trigger(String Name)
	{
		ArrayList value;

		if (events.TryGetValue(Name, out value)) {
			foreach (SenderEvent ev in value) {
				ev (Sender);
			}
		}
	}
}

public class GenericEventMap<T>
{
	public delegate void SenderEvent(object sender, T data);
	public delegate void Event(T data);

	protected Dictionary<String, ArrayList> events;


	public object Sender { get; set; }

	public GenericEventMap ()
	{
		events = new Dictionary<String, ArrayList>();
		Sender = this;
	}

	public void AddListener (String Name, SenderEvent ev)
	{
		ArrayList value;

		if (!events.TryGetValue(Name, out value)) {
			events.Add (Name, new ArrayList());
		}

		events [Name].Add (ev);
	}

	public void AddListener(String Name, Event ev)
	{
		AddListener(Name, ((object sender, T data) => ev(data)));
	}

	public void RemoveListener (String Name)
	{
		ArrayList value;

		if (events.TryGetValue(Name, out value)) {
			events.Remove (Name);
		}
	}

	public void Trigger(String Name, T data)
	{
		ArrayList value;

		if (events.TryGetValue(Name, out value)) {
			foreach (SenderEvent ev in value) {
				ev (Sender, data);
			}
		}
	}
}