ArcGISWindowsPhoneSDK.BufferQuery.GeometryService_BufferCompleted C# (CSharp) Method

        void GeometryService_BufferCompleted(object sender, GraphicsEventArgs args)
        {
            Graphic bufferGraphic = new Graphic();
            bufferGraphic.Geometry = args.Results[0].Geometry;
            bufferGraphic.Symbol = LayoutRoot.Resources["BufferSymbol"] as ESRI.ArcGIS.Client.Symbols.Symbol;
            bufferGraphic.SetZIndex(1);

            _pointAndBufferGraphicsLayer.Graphics.Add(bufferGraphic);

            ESRI.ArcGIS.Client.Tasks.Query query = new ESRI.ArcGIS.Client.Tasks.Query();
            query.ReturnGeometry = true;
            query.OutSpatialReference = MyMap.SpatialReference;
            query.Geometry = bufferGraphic.Geometry;
            query.OutFields.Add("OWNERNME1");
            _queryTask.ExecuteAsync(query);
        }