/// <summary>
/// Adds a listener for this event
/// </summary>
/// <param name="listener">Listener</param>
public void AddListener(InputEventFired listener)
{
_listeners.Add(listener);
}
/// <summary>
/// Removes a listener for this event
/// </summary>
/// <param name="listener">Listener</param>
/// <returns>Returns true if the listener is removed otherwise false</returns>
public bool RemoveListener(InputEventFired listener)
{
return _listeners.Remove(listener);
}