private PointCollection GetAreaPoints()
{
PointCollection points = new PointCollection();
if (Locations == null)
return points;
CopyLocationsToPoints(points);
if (points.Count > 0)
{
points.Insert(0, new Point(points[0].X, GroundLevel));
points.Add(new Point(points[points.Count - 1].X, GroundLevel));
}
return points;
}