private void DisplayMap_Load(object sender, EventArgs e)
        {
            winformsMap1.MapUnit = GeographyUnit.DecimalDegree;
            WorldMapKitWmsDesktopOverlay worldMapKitDesktopOverlay = new WorldMapKitWmsDesktopOverlay();
            //winformsMap1.Overlays.Add(worldMapKitDesktopOverlay);

            winformsMap1.CurrentExtent = new RectangleShape(-139.2, 92.4, 120.9, -93.2);

            InMemoryFeatureLayer inmLayer = new InMemoryFeatureLayer();
            inmLayer.ZoomLevelSet.ZoomLevel01.DefaultPointStyle = PointStyles.Capital1;
            inmLayer.ZoomLevelSet.ZoomLevel01.ApplyUntilZoomLevel = ApplyUntilZoomLevel.Level20;
            inmLayer.ZoomLevelSet.ZoomLevel01.DefaultLineStyle = LineStyles.Canal1;
            inmLayer.ZoomLevelSet.ZoomLevel01.DefaultAreaStyle = AreaStyles.Antarctica1;

            Random a = new Random();
            //Point:
            //for (int i = 0; i < 500000; i++)
            //{
            //    inmLayer.InternalFeatures.Add(new Feature(a.Next(-180, 180), a.Next(-90, 90)));
            //}

            //winformsMap1.GeoCanvas = new WicBitmapGeoCanvas();

            //Line:
            //for (int i = 0; i < 40000; i++)
            //{
            //    LineShape line = new LineShape("LINESTRING (" + a.Next(-180, 0) + " " + a.Next(-180, 0) + "," + a.Next(0, 180) + " " + a.Next(0, 180) + ")");
            //    inmLayer.InternalFeatures.Add(new Feature(line));
            //}

            //PolyGon:
            //for (int i = 0; i < 400000; i++)
            //{
            //    //LineShape line = new LineShape("LINESTRING (" + a.Next(-180, 0) + " " + a.Next(-180, 0) + "," + a.Next(0, 180) + " " + a.Next(0, 180) + ")");
            //    inmLayer.InternalFeatures.Add(new Feature("POLYGON ((30 10, 10 20, 20 40, 40 40, 30 10))"));
            //}


            LayerOverlay overlay = new LayerOverlay();
            overlay.Layers.Add(inmLayer);

            winformsMap1.Overlays.Add(overlay);
            Stopwatch stopwatch = new Stopwatch();
            stopwatch.Start();
            winformsMap1.Refresh();
            stopwatch.Stop();
            Debug.WriteLine(stopwatch.Elapsed.TotalMilliseconds);
        }