ArcGISWindowsPhoneSDK.ConvexHull.ConvexButton_Click C# (CSharp) Метод

        private void ConvexButton_Click(object sender, RoutedEventArgs e)
        {
            ConvexButton.IsEnabled = false;
            outputGraphicsLayer.ClearGraphics();

            GeometryService geometryService =
                        new GeometryService("http://sampleserver3.arcgisonline.com/ArcGIS/rest/services/Geometry/GeometryServer");
            geometryService.ConvexHullCompleted += GeometryService_ConvexHullCompleted;
            geometryService.Failed += GeometryService_Failed;

            List<Graphic> graphicsList = new List<Graphic>();
            foreach (Graphic g in inputGraphicsLayer.Graphics)
            {
                graphicsList.Add(g);
            }
            geometryService.ConvexHullAsync(graphicsList);
        }