private void TrackAndEditShapes_Load(object sender, EventArgs e)
        {
            winformsMap1.MapUnit = GeographyUnit.DecimalDegree;
            winformsMap1.BackgroundOverlay.BackgroundBrush = new GeoSolidBrush(GeoColor.GeographicColors.ShallowOcean);

            WorldMapKitWmsDesktopOverlay worldMapKitDesktopOverlay = new WorldMapKitWmsDesktopOverlay();
            winformsMap1.TrackOverlay = new MyInteractiveOverLay();
            winformsMap1.CurrentExtent = new RectangleShape(-139.2, 92.4, 120.9, -93.2);
            winformsMap1.Refresh();
        }

        private void btnPause_Click(object sender, EventArgs e)
        {

            (winformsMap1.TrackOverlay as MyInteractiveOverLay).MouseDoubleClick();

            LineShape lineShape = winformsMap1.TrackOverlay.TrackShapeLayer.InternalFeatures[0].GetShape() as LineShape;
            lineShape.Vertices.RemoveAt(lineShape.Vertices.Count - 1);

            winformsMap1.TrackOverlay.TrackShapeLayer.InternalFeatures[0].WellKnownBinary = lineShape.GetWellKnownBinary();
            winformsMap1.TrackOverlay.TrackMode = TrackMode.None;
            winformsMap1.Refresh();
        }

        private void btnResume_Click(object sender, EventArgs e)
        {
            winformsMap1.TrackOverlay.TrackMode = TrackMode.Line;
            Collection<Vertex> vertexes = (winformsMap1.TrackOverlay.TrackShapeLayer.InternalFeatures[0].GetShape() as LineShape).Vertices;

            for (int i = 0; i < vertexes.Count; i++)
            {
                (winformsMap1.TrackOverlay as MyInteractiveOverLay).MouseDown(new InteractionArguments() { WorldX = vertexes[i].X, WorldY = vertexes[i].Y });
            }
            (winformsMap1.TrackOverlay as MyInteractiveOverLay).MouseDown(new InteractionArguments() { WorldX = vertexes[vertexes.Count - 1].X, WorldY = vertexes[vertexes.Count - 1].Y });
        }