public static void Update()
{
for (int i = 0; i < TouchPoints.Count; i++)
{
TouchPoints[i].Update();
}
foreach (var t in toAddToList)
{
TouchPoints.Add(t);
}
toAddToList.Clear();
foreach (var t in toRemoveFromList)
{
TouchPoints.Remove(t);
}
toRemoveFromList.Clear();
}
static void handler_TouchMove(object sender, TouchEventArgs e)