ServiceFeatureTable Class

public sealed class ServiceFeatureTable : ArcGISFeatureTable

Public NotInheritable Class ServiceFeatureTable
	Inherits ArcGISFeatureTable

// Copyright 2016 Esri.
// 
// Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.
// You may obtain a copy of the License at: http://www.apache.org/licenses/LICENSE-2.0
// 
// Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an 
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific 
// language governing permissions and limitations under the License.

using Esri.ArcGISRuntime.Data;
using Esri.ArcGISRuntime.Mapping;
using Esri.ArcGISRuntime.UI;
using System;
using System.Windows.Threading;

namespace ArcGISRuntime.WPF.Samples.DisplayDrawingStatus
{
    [ArcGISRuntime.Samples.Shared.Attributes.Sample(
        name: "Display draw status",
        category: "MapView",
        description: "Get the draw status of your map view or scene view to know when all layers in the map or scene have finished drawing.",
        instructions: "Pan and zoom around the map. Observe how the status changes from a loading animation to solid, indicating that drawing has completed.",
        tags: new[] { "draw", "loading", "map", "render" })]
    public partial class DisplayDrawingStatus
    {
        public DisplayDrawingStatus()
        {
            InitializeComponent();

            // Create the UI, setup the control references and execute initialization 
            Initialize();
        }

        private void Initialize()
        {
            // Hook up the DrawStatusChanged event
            MyMapView.DrawStatusChanged += OnDrawStatusChanged;

            // Create new Map with basemap
            Map myMap = new Map(BasemapType.Topographic, 34.056, -117.196, 4);

            // Create uri to the used feature service
            Uri serviceUri = new Uri(
                "https://sampleserver6.arcgisonline.com/arcgis/rest/services/DamageAssessment/FeatureServer/0");

            // Initialize a new feature layer
            ServiceFeatureTable myFeatureTable = new ServiceFeatureTable(serviceUri);
            FeatureLayer myFeatureLayer = new FeatureLayer(myFeatureTable);

            // Add the feature layer to the Map
            myMap.OperationalLayers.Add(myFeatureLayer);

            // Provide used Map to the MapView
            MyMapView.Map = myMap;
        }

        private void OnDrawStatusChanged(object sender, DrawStatusChangedEventArgs e)
        {
            // Update the load status information
            Dispatcher.Invoke(delegate ()
            {
                // Show the activity indicator if the map is drawing
                if (e.Status == DrawStatus.InProgress)
                {
                    ActivityIndicator.IsEnabled = true;
                    ActivityIndicator.Visibility = System.Windows.Visibility.Visible;
                }
                else
                {
                    ActivityIndicator.IsEnabled = false;
                    ActivityIndicator.Visibility = System.Windows.Visibility.Collapsed;
                }
            });
        }
    }
}

<UserControl x:Class="ArcGISRuntime.WPF.Samples.DisplayDrawingStatus.DisplayDrawingStatus"
             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
             xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
             xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
             xmlns:esri="http://schemas.esri.com/arcgis/runtime/2013"
             mc:Ignorable="d"
             d:DesignHeight="300" d:DesignWidth="300">
    <Grid>
        <esri:MapView x:Name="MyMapView" />
        <Border Style="{StaticResource BorderStyle}">
            <StackPanel>
                <TextBlock Text="Pan and zoom to see drawing status changes."
                           FontWeight="SemiBold" TextAlignment="Center" />
                <ProgressBar x:Name="ActivityIndicator"
                             IsIndeterminate="True"
                             Height="20" Margin="0,5,0,0"
                             HorizontalAlignment="Stretch" />
            </StackPanel>
        </Border>
    </Grid>
</UserControl>