public void RemoveLastDelineationPoint()
{
if (DelineationPins.Count > 0)
{
var position = DelineationPins.Count - 1;
DelineationPins.RemoveAt(position);
map.Pins.RemoveAt(position);
DelineationPolygon.Positions.RemoveAt(position);
}
map.Polygons.Clear();
if (DelineationPolygon.Positions.Count > 2)
{
map.Polygons.Add(DelineationPolygon);
}
}
