void queryTask_ExecuteCompleted(object sender, QueryEventArgs e)
{
GraphicsLayer parcelGraphicsLayer = MyMap.Layers["ParcelsGraphicsLayer"] as GraphicsLayer;
foreach (Graphic g in e.FeatureSet.Features)
{
g.Symbol = LayoutRoot.Resources["BlueFillSymbol"] as ESRI.ArcGIS.Client.Symbols.Symbol;
parcelGraphicsLayer.Graphics.Add(g);
}
}