GroupLayers.xaml

<UserControl x:Class="ArcGIS.WinUI.Samples.GroupLayers.GroupLayers"
             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
             xmlns:esriUI="using:Esri.ArcGISRuntime.UI.Controls"
             xmlns:mapping="using:Esri.ArcGISRuntime.Mapping">
    <Grid>
        <esriUI:SceneView x:Name="MySceneView" />
        <Border Style="{StaticResource BorderStyle}">
            <Grid>
                <Grid.RowDefinitions>
                    <RowDefinition Height="auto" />
                    <RowDefinition Height="*" />
                </Grid.RowDefinitions>
                <TextBlock Grid.Row="0"
                           Margin="5"
                           FontWeight="SemiBold"
                           Foreground="Black"
                           Text="Select layers for display."
                           TextAlignment="Center" />
                <!--  This is a workaround until UWP TreeView supports proper HierarchicalDataTemplate.  -->
                <ListView Grid.Row="1"
                          ItemsSource="{Binding ElementName=MySceneView, Path=Scene.OperationalLayers}"
                          SelectionMode="None">
                    <ListView.ItemTemplate>
                        <DataTemplate x:DataType="mapping:Layer">
                            <StackPanel>
                                <CheckBox Content="{Binding Name, Mode=OneWay}" IsChecked="{Binding IsVisible, Mode=TwoWay}" />
                                <ListView Margin="15,0,0,0"
                                          ItemsSource="{Binding SublayerContents}"
                                          SelectionMode="None">
                                    <ListView.ItemTemplate>
                                        <DataTemplate x:DataType="mapping:ILayerContent">
                                            <StackPanel>
                                                <CheckBox Content="{Binding Name, Mode=OneWay}" IsChecked="{Binding IsVisible, Mode=TwoWay}" />
                                            </StackPanel>
                                        </DataTemplate>
                                    </ListView.ItemTemplate>
                                </ListView>
                            </StackPanel>
                        </DataTemplate>
                    </ListView.ItemTemplate>
                </ListView>
            </Grid>
        </Border>
    </Grid>
</UserControl>