/// <summary>
/// Removes the given listener from the text advancement events.
/// </summary>
public void RemoveListener(IParagraphAdvanceEventListener listener)
{
FastForwardEvent -= listener.FastForward;
NextParagraphEvent -= listener.NextParagraph;
}
/// <summary>
/// Adds the given listener to the text advancement events.
/// </summary>
public void AddListener(IParagraphAdvanceEventListener listener)
{
FastForwardEvent += listener.FastForward;
NextParagraphEvent += listener.NextParagraph;
}