private void GeometryService_LabelPointsCompleted(object sender, GraphicsEventArgs args)
{
foreach (Graphic graphic in args.Results)
{
graphic.Symbol = LayoutRoot.Resources["DefaultRasterSymbol"] as ESRI.ArcGIS.Client.Symbols.Symbol;
MapPoint mapPoint = graphic.Geometry as MapPoint;
graphic.Attributes.Add("X", mapPoint.X);
graphic.Attributes.Add("Y", mapPoint.Y);
graphicsLayer.Graphics.Add(graphic);
}
}