public SpatialQuery()
{
InitializeComponent();
selectionGraphicsLayer = MyMap.Layers["MySelectionGraphicsLayer"] as GraphicsLayer;
MyDrawObject = new Draw(MyMap)
{
LineSymbol = LayoutRoot.Resources["DefaultLineSymbol"] as SimpleLineSymbol,
FillSymbol = LayoutRoot.Resources["DefaultFillSymbol"] as FillSymbol
};
MyDrawObject.DrawComplete += MyDrawSurface_DrawComplete;
}