ArcGISWindowsPhoneSDK.MessageInABottle.MyDrawObject_DrawComplete C# (CSharp) Méthode

        private void MyDrawObject_DrawComplete(object sender, ESRI.ArcGIS.Client.DrawEventArgs e)
        {
            MyDrawObject.IsEnabled = false;

            GraphicsLayer graphicsLayer = MyMap.Layers["MyGraphicsLayer"] as GraphicsLayer;
            graphicsLayer.ClearGraphics();

            Graphic graphic = new Graphic()
            {
                Symbol = LayoutRoot.Resources["StartMarkerSymbol"] as Symbol,
                Geometry = e.Geometry as MapPoint
            };
            graphicsLayer.Graphics.Add(graphic);

            Geoprocessor geoprocessorTask = new Geoprocessor("http://sampleserver1.arcgisonline.com/ArcGIS/rest/services/" +
                "Specialty/ESRI_Currents_World/GPServer/MessageInABottle");
            geoprocessorTask.ExecuteCompleted += GeoprocessorTask_ExecuteCompleted;
            geoprocessorTask.Failed += GeoprocessorTask_Failed;

            List<GPParameter> parameters = new List<GPParameter>();
            parameters.Add(new GPFeatureRecordSetLayer("Input_Point", e.Geometry as MapPoint));
            parameters.Add(new GPDouble("Days", Convert.ToDouble(DaysTextBox.Text)));

            geoprocessorTask.ExecuteAsync(parameters);
        }