private void FinalizePolygon()
{
Debug.WriteLine("Finishing polygon...");
ICoordinate firstCoordinate = _points[0];
ICoordinate lastCoordinate = _points.Last();
Point first = MapAroundControl.MapToClient(firstCoordinate);
Point last = MapAroundControl.MapToClient(lastCoordinate);
var rectangle = MapAroundControl.GetViewBox();
DrawLine(rectangle, Color.Green, first, last);
_isFinalized = true;
Polygon polygon = new Polygon(_points);
Feature polygonFeature = new Feature(FeatureType.Polygon)
{
Polygon = polygon
};
_userRegionLayer.AddPolygon(polygonFeature);
_points.Clear();
ClearRasterLayers();
MapAroundControl.RedrawMap();
}