/// <summary>
/// Remove a button from the collection.
/// </summary>
/// <param name="button"></param>
public void Remove(BoxButton button)
{
buttons.Remove(button);
}
/// <summary>
/// Add a button to this collection.
/// </summary>
/// <param name="button"></param>
public void Add(BoxButton button)
{
buttons.Add(button);
button.TIMER_MAX = TIMER_MAX;
}