private static void LoadEsriImagery(LayerHelper layerHelper) { var tileSource = new ArcGisTileSource("http://services.arcgisonline.com/ArcGIS/rest/services/World_Imagery/MapServer", EsriWorldSchema.GetSchema()); var esri = new BaseTileLayer(tileSource) { LayerName = "World Imagery", TumbnailPath = "Resources/Images/world_imagery.png", CopyrightImage = "Resources/Images/esriLogo.png", Enabled = true }; layerHelper.AddBaseLayer(esri); }