(ArcGIS Runtime SDK for .NET) Sample of adding layer to the map and doing a query

Sample.cs

using Esri.ArcGISRuntime.Data;
using Esri.ArcGISRuntime.Mapping;
using Esri.ArcGISRuntime.Symbology;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;

namespace WpfApplication3
{
    /// <summary>
    /// Interaction logic for MainWindow.xaml
    /// </summary>
    public partial class MainWindow : Window
    {
        public MainWindow()
        {
            InitializeComponent();
            //Wait for the map view to load
            MyMapView.Loaded += async (sender, e) => {
                //Create a new map with the basemap
                var map = new Map(Basemap.CreateDarkGrayCanvasVector());
                //Set the mapview.map to the newly created map
                MyMapView.Map = map;
                //Call the operational layers.add to add new feature layer to the map
                MyMapView.Map.OperationalLayers.Add(new FeatureLayer(new Uri("https://sampleserver6.arcgisonline.com/arcgis/rest/services/USA/MapServer/2")));
                //Create a new sfs for the layer
                var sfs = new SimpleFillSymbol(SimpleFillSymbolStyle.DiagonalCross, Colors.Azure, new SimpleLineSymbol(SimpleLineSymbolStyle.Solid, Colors.Brown, 5));
                //Create a renderer 
                var renderer = new SimpleRenderer(sfs);
                //Set the renderer to the feature layer and then add it to the map.
                (MyMapView.Map.OperationalLayers.First() as FeatureLayer).Renderer = renderer;
                //Set up a ServiceFeatureTable to do Query's on
                var flQuery = new ServiceFeatureTable(new Uri("https://sampleserver6.arcgisonline.com/arcgis/rest/services/USA/MapServer/2"));
                // Print out to the console the feature count. Needs to have an await since it is an Async method
                var result =  await flQuery.QueryFeatureCountAsync(new QueryParameters() { WhereClause = "1=1", ReturnGeometry = true}); // How would I print the result of this?
                Console.WriteLine(result.ToString());
            };
        }
    }
}