public override void Apply(IList <Rectangle> updates = null)
{
if (Points != null && Points.Length > 1)
{
var drawUpdates = updates ?? new List <Rectangle> ();
BGI.MoveTo(Points [0]);
for (int i = 1; i < Points.Length; i++)
{
BGI.LineTo(Points [i], drawUpdates);
}
if (updates == null)
{
BGI.UpdateRegion(drawUpdates);
}
}
}
