private void Map_loaded(object sender, RoutedEventArgs e)
        {
            if (InitialLoad == true && !System.ComponentModel.DesignerProperties.GetIsInDesignMode(this))
            {

                Map.Overlays.Clear();

                Map.MapUnit = GeographyUnit.DecimalDegree;
                Map.CurrentExtent = WorldMapKitRenderLayer.DefaultExtent;

                //set range
                SetRange();

                Map.MaximumScale = Map.ZoomLevelSet.ZoomLevel04.Scale;
                Map.MapTools.Logo.IsEnabled = false;

                Map.RestrictExtent = new RectangleShape(-900, 89, 900, -89);
                Map.MapResizeMode = MapResizeMode.PreserveScaleAndCenter;

                //start mouse Coordinates for map hide coordinates display on map
                Map.MapTools.MouseCoordinate.IsEnabled = true;
                Map.MapTools.MouseCoordinate.MouseCoordinateType = MouseCoordinateType.LongitudeLatitude;
                Map.MapTools.MouseCoordinate.VerticalAlignment = System.Windows.VerticalAlignment.Top;
                Map.MapTools.MouseCoordinate.Visibility = System.Windows.Visibility.Hidden;

                ShapeFileFeatureLayer layer = new ShapeFileFeatureLayer(@"../WorldMapKit/Countries02.shp", ShapeFileReadWriteMode.ReadOnly);
                
                layer.Open();
                layer.ZoomLevelSet.ZoomLevel01.DefaultAreaStyle = AreaStyles.Country1;
                layer.ZoomLevelSet.ZoomLevel01.ApplyUntilZoomLevel = ApplyUntilZoomLevel.Level20;

                layer.WrappingMode = WrappingMode.WrapDateline;
                layer.WrappingExtent = layer.GetBoundingBox();
                LayerOverlay overlay = new LayerOverlay();
                overlay.Layers.Add("WorldLayer", layer);
                overlay.WrappingExtent = layer.GetBoundingBox();
                overlay.WrappingMode = WrappingMode.WrapDateline;
                //overlay.TileType = TileType.SingleTile;
                //overlay.TileType = TileType.MultipleTile;

                string worldMapKitDataFolder = @"..\WorldMapKit"; 
                WorldMapKitRenderLayer worldMapKitRenderLayer = new WorldMapKitRenderLayer(worldMapKitDataFolder);
                LayerOverlay worldMapKitRenderLayerOverlay = new LayerOverlay();
                //FileBitmapTileCache fileBitmapTileCache = new FileBitmapTileCache(@"..\WorldMapKit", "DecimalDegreeLabels");
                //overlay.TileCache = fileBitmapTileCache;
                overlay.Layers.Add("WMK", worldMapKitRenderLayer);

                Map.TrackOverlay.TrackShapeLayer.WrappingExtent = layer.GetBoundingBox();
                Map.TrackOverlay.TrackShapeLayer.WrappingMode = WrappingMode.WrapDateline;
                Map.TrackOverlay.TrackShapeLayer.ZoomLevelSet.ZoomLevel01.DefaultTextStyle = TextStyles.CreateMaskTextStyle(("Label"), new GeoFont("Arial", 10),
                    new GeoSolidBrush(GeoColor.SimpleColors.Black), new AreaStyle(new GeoPen(GeoColor.StandardColors.Black), new GeoSolidBrush(GeoColor.StandardColors.Transparent)), 10, 10);
                Map.TrackOverlay.TrackShapeLayer.ZoomLevelSet.ZoomLevel01.DefaultTextStyle = TextStyles.City1("Label");
                Map.TrackOverlay.TrackShapeLayer.ZoomLevelSet.ZoomLevel01.DefaultTextStyle.Font = new GeoFont("Arial", 12);
                Map.TrackOverlay.TrackShapeLayer.ZoomLevelSet.ZoomLevel01.DefaultTextStyle.XOffsetInPixel = 10;
                Map.TrackOverlay.TrackShapeLayer.ZoomLevelSet.ZoomLevel01.DefaultTextStyle.YOffsetInPixel = 10;
                Map.TrackOverlay.TrackShapeLayer.ZoomLevelSet.ZoomLevel01.ApplyUntilZoomLevel = ApplyUntilZoomLevel.Level20;
                Map.TrackOverlay.TrackShapeLayer.Open();
                Map.TrackOverlay.TrackShapeLayer.Columns.Add(new FeatureSourceColumn("Label"));

                VS.ColumnName = "Color";
                VST.ColumnName = "Text";

                Map.TrackOverlay.TrackShapeLayer.ZoomLevelSet.ZoomLevel01.DefaultTextStyle = TStyle;
                Map.TrackOverlay.TrackShapeLayer.ZoomLevelSet.ZoomLevel01.DefaultAreaStyle = new AreaStyle(new GeoPen(GeoColor.StandardColors.Blue, 2));

                PStyle = Map.TrackOverlay.TrackShapeLayer.ZoomLevelSet.ZoomLevel01.DefaultPointStyle;
                AStyle = Map.TrackOverlay.TrackShapeLayer.ZoomLevelSet.ZoomLevel01.DefaultAreaStyle;
                LStyle = Map.TrackOverlay.TrackShapeLayer.ZoomLevelSet.ZoomLevel01.DefaultLineStyle;
                TStyle = Map.TrackOverlay.TrackShapeLayer.ZoomLevelSet.ZoomLevel01.DefaultTextStyle;

                Map.TrackOverlay.TrackShapeLayer.ZoomLevelSet.ZoomLevel01.DefaultAreaStyle = null;
                Map.TrackOverlay.TrackShapeLayer.ZoomLevelSet.ZoomLevel01.DefaultLineStyle = null;
                Map.TrackOverlay.TrackShapeLayer.ZoomLevelSet.ZoomLevel01.DefaultPointStyle = null;
                Map.TrackOverlay.TrackShapeLayer.ZoomLevelSet.ZoomLevel01.DefaultTextStyle = null;

                Map.TrackOverlay.TrackShapeLayer.Columns.Add(new FeatureSourceColumn("Color"));
                Map.TrackOverlay.TrackShapeLayer.Columns.Add(new FeatureSourceColumn("Text"));

                Map.TrackOverlay.TrackShapeLayer.ZoomLevelSet.ZoomLevel01.CustomStyles.Add(TStyle);
                Map.TrackOverlay.TrackShapeLayer.ZoomLevelSet.ZoomLevel01.CustomStyles.Add(AStyle);
                Map.TrackOverlay.TrackShapeLayer.ZoomLevelSet.ZoomLevel01.CustomStyles.Add(LStyle);
                Map.TrackOverlay.TrackShapeLayer.ZoomLevelSet.ZoomLevel01.CustomStyles.Add(PStyle);
                Map.TrackOverlay.TrackShapeLayer.ZoomLevelSet.ZoomLevel01.CustomStyles.Add(VS);
                Map.TrackOverlay.TrackShapeLayer.ZoomLevelSet.ZoomLevel01.CustomStyles.Add(VST);
                Map.TrackOverlay.TrackShapeLayer.ZoomLevelSet.ZoomLevel01.ApplyUntilZoomLevel = ApplyUntilZoomLevel.Level20;
                Map.TrackOverlay.TrackShapeLayer.ZoomLevelSet.ZoomLevel01.DefaultTextStyle.BestPlacement = true;

                Map.TrackOverlay.Close();

                LayerOverlay trackSymbolOverlay = new LayerOverlay();
                trackSymbolOverlay.TileType = TileType.SingleTile;
                trackSymbolOverlay.WrappingMode = WrappingMode.WrapDateline;
                trackSymbolOverlay.WrappingExtent = layer.GetBoundingBox();


                mapShapeLayer = new MapShapeFeatureLayer();
                mapShapeLayer.WrappingMode = WrappingMode.WrapDateline;
                mapShapeLayer.WrappingExtent = layer.GetBoundingBox();
                mapShapeLayer.Name = "MapShapeLayer";
//                mapShapeLayer.DrawingMarginPercentage = 100.0;
                trackSymbolOverlay.Layers.Add("MapShapeLayer", mapShapeLayer);

                Map.Overlays.Add("overlay", overlay);
                Map.Overlays.Add("WorldOverlay", overlay);
                //Map.Overlays.Add(worldMapKitRenderLayerOverlay);
                Map.Overlays.Add("TrackSymbolOverlay", trackSymbolOverlay);
                Map.Refresh();

                InitialLoad = false;

                //Set Display Center
                SetDisplayCenter();

                //set Center for right click menu
                PointShape PS = Map.CurrentExtent.GetCenterPoint();
                App.CenterLat = PS.Y;
                App.CenterLong = PS.X;

                InitializeMapSymbolProcessing();

            }
        }