public ActionResult SetImageFormatAndQuality(Map map, GeoCollection <object> args) { if (null == map) { map = new Map("Map1", new System.Web.UI.WebControls.Unit(100, UnitType.Percentage), 510); ShapeFileFeatureLayer worldLayer = new ShapeFileFeatureLayer(Server.MapPath("~/App_Data/cntry02.shp")); worldLayer.ZoomLevelSet.ZoomLevel01.DefaultAreaStyle = AreaStyles.CreateSimpleAreaStyle(GeoColor.FromArgb(255, 243, 239, 228), GeoColor.FromArgb(255, 218, 193, 163), 1); worldLayer.ZoomLevelSet.ZoomLevel01.ApplyUntilZoomLevel = ApplyUntilZoomLevel.Level20; ShapeFileFeatureLayer majorCitiesShapeLayer = new ShapeFileFeatureLayer(Server.MapPath(@"~\App_Data\cities_a.shp")); majorCitiesShapeLayer.ZoomLevelSet.ZoomLevel01.DefaultPointStyle = PointStyles.CreateCompoundCircleStyle(GeoColor.StandardColors.White, 6F, GeoColor.StandardColors.Black, 1F, GeoColor.StandardColors.Black, 3F); majorCitiesShapeLayer.ZoomLevelSet.ZoomLevel01.ApplyUntilZoomLevel = ApplyUntilZoomLevel.Level20; ShapeFileFeatureLayer majorCitiesLabelLayer = new ShapeFileFeatureLayer(Server.MapPath(@"~\App_Data\cities_a.shp")); majorCitiesLabelLayer.ZoomLevelSet.ZoomLevel01.DefaultTextStyle = TextStyles.CreateSimpleTextStyle("AREANAME", "Verdana", 8, DrawingFontStyles.Regular, GeoColor.StandardColors.Black); majorCitiesLabelLayer.ZoomLevelSet.ZoomLevel01.DefaultTextStyle.PointPlacement = PointPlacement.UpperCenter; majorCitiesLabelLayer.ZoomLevelSet.ZoomLevel01.ApplyUntilZoomLevel = ApplyUntilZoomLevel.Level20; LayerOverlay overlay = new LayerOverlay("mapOverlay"); overlay.TileType = TileType.SingleTile; overlay.Layers.Add("WorldLayer", worldLayer); overlay.Layers.Add("MajorCitiesShapes", majorCitiesShapeLayer); overlay.Layers.Add("MajorCitiesLabels", majorCitiesLabelLayer); map.CustomOverlays.Add(overlay); } else { if (null != args && args.Count > 0) { int quality = System.Convert.ToInt32(args[0]); ((LayerOverlay)map.CustomOverlays["mapOverlay"]).JpegQuality = quality; } } return(View(map)); }