/// <summary>
/// Add a listener for timeline events.
/// </summary>
/// <param name="listener"></param>
/// <returns></returns>
public bool AddListener(ITimelineListener listener)
{
if (!listeners.Contains(listener))
{
listeners.Add(listener);
return(true);
}
else
{
return(false);
}
}
/// <summary>
/// Remove a listener for timeline events.
/// </summary>
/// <param name="listener"></param>
/// <returns></returns>
public bool RemoveListener(ITimelineListener listener)
{
return(listeners.Remove(listener));
}
