private void Form1_Load(object sender, EventArgs e)
        {
            winformsMap1.MapUnit = GeographyUnit.DecimalDegree;
            winformsMap1.BackgroundOverlay.BackgroundBrush = new GeoSolidBrush(GeoColor.GeographicColors.ShallowOcean);

            ShapeFileFeatureLayer worldLayer = new ShapeFileFeatureLayer(@"..\..\..\App_Data\Countries02.shp");
            worldLayer.ZoomLevelSet.ZoomLevel01.DefaultAreaStyle = AreaStyles.CreateSimpleAreaStyle(GeoColor.SimpleColors.Copper, GeoColor.SimpleColors.Black, 1);
            worldLayer.ZoomLevelSet.ZoomLevel01.ApplyUntilZoomLevel = ApplyUntilZoomLevel.Level20;

            LayerOverlay staticOverlay = new LayerOverlay();
            staticOverlay.TileCache = new FileBitmapTileCache(@"c:\cache11422");
            staticOverlay.TileCache.CacheId = "Date_0724";
            staticOverlay.TileCache.ImageFormat = TileImageFormat.Png;
            staticOverlay.Layers.Add("WorldLayer", worldLayer);
            winformsMap1.Overlays.Add(staticOverlay);

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