public partial class MainWindow : Window
    {
        public MainWindow()
        {
            InitializeComponent();
        }

        private void WpfMap_Loaded(object sender, RoutedEventArgs e)
        {
            Map1.MapUnit = GeographyUnit.DecimalDegree;

            LayerOverlay overlay = new LayerOverlay();
            overlay.TileType = TileType.MultipleTile;
            //overlay.TileCache = new FileBitmapTileCache("../../Cache","Vegas");
            

            //SqliteFeatureSource sqlFeature = new SqliteFeatureSource(@"Data Source=G:\WorldMapKit-4326-20151220-335893627.sqlite;Version=3;","austin_streets","id","geometry");
            SqliteFeatureLayer sqlLayer = new SqliteFeatureLayer(@"Data Source=G:\WorldMapKit-4326-20151220-335893627.sqlite;Version=3;", "austin_streets", "id", "geometry");

            sqlLayer.FeatureSource.BeginTransaction();
            sqlLayer.FeatureSource.AddFeature(new Feature(10, 20, "1"));
            sqlLayer.FeatureSource.AddFeature(new Feature(5, 15, "2"));
            sqlLayer.FeatureSource.CommitTransaction();


            sqlLayer.ZoomLevelSet.ZoomLevel01.DefaultAreaStyle = AreaStyles.CreateSimpleAreaStyle(GeoColor.GeographicColors.Grass); //WorldMapKitAreaStyles.Military(); 
            sqlLayer.ZoomLevelSet.ZoomLevel01.ApplyUntilZoomLevel = ApplyUntilZoomLevel.Level20;
            overlay.Layers.Add(sqlLayer);

            Map1.Overlays.Add(overlay);
        }
    }