public override void Add(AbstractMultiDrawingItem item)
{
Spotlight spotlight = item as Spotlight;
if (spotlight == null)
{
return;
}
spotlights.Add(spotlight);
selected = spotlights.Count - 1;
if (TrackableDrawingAdded != null)
{
TrackableDrawingAdded(this, new TrackableDrawingEventArgs(spotlight));
}
}