ArcGISWindowsPhoneSDK.BufferQuery.BufferQuery C# (CSharp) Method

        public BufferQuery()
        {
            InitializeComponent();

            myDrawObject = new Draw(MyMap)
            {
                DrawMode = DrawMode.Point,
                IsEnabled = true
            };

            myDrawObject.DrawComplete += myDrawObject_DrawComplete;
            _geometryService =
            new GeometryService("http://sampleserver3.arcgisonline.com/ArcGIS/rest/services/Geometry/GeometryServer");
            _geometryService.BufferCompleted += GeometryService_BufferCompleted;
            _geometryService.Failed += GeometryService_Failed;

            _queryTask = new QueryTask("http://sampleserver3.arcgisonline.com/ArcGIS/rest/services/BloomfieldHillsMichigan/Parcels/MapServer/2");
            _queryTask.ExecuteCompleted += QueryTask_ExecuteCompleted;
            _queryTask.Failed += QueryTask_Failed;

            _pointAndBufferGraphicsLayer = MyMap.Layers["MyGraphicsLayer"] as GraphicsLayer;
            _resultsGraphicsLayer = MyMap.Layers["MyResultsGraphicsLayer"] as GraphicsLayer;
        }