<ScrollViewer x:Name="ScrollView" Padding="16">
    <ItemsControl ItemsSource="{x:Bind Devices}">
        <ItemsControl.ItemsPanel>
            <ItemsPanelTemplate>
                <StackPanel HorizontalAlignment="Left" Orientation="Vertical" Spacing="16" />
            </ItemsPanelTemplate>
        </ItemsControl.ItemsPanel>

        <ItemsControl.ItemTemplate>
            <DataTemplate>
                <controls:AudioControl
                    Name="{Binding Name}"
                    Icon="{Binding Icon}"
                    Id="{Binding Id}"
                    Volume="{Binding Volume}"/>
            </DataTemplate>
        </ItemsControl.ItemTemplate>
    </ItemsControl>
</ScrollViewer>

<ScrollViewer x:Name="ScrollView" Padding="16">
    <ItemsControl ItemsSource="{x:Bind Devices}">
        <ItemsControl.ItemsPanel>
            <ItemsPanelTemplate>
                <StackPanel HorizontalAlignment="Left" Orientation="Vertical" Spacing="16" />
            </ItemsPanelTemplate>
        </ItemsControl.ItemsPanel>

        <ItemsControl.ItemTemplate>
            <DataTemplate>
                <controls:AudioControl
                    Name="{Binding Name}"
                    Icon="{Binding Icon}"
                    Id="{Binding Id}"
                    Volume="{Binding Volume}"/>
            </DataTemplate>
        </ItemsControl.ItemTemplate>
    </ItemsControl>
</ScrollViewer>

public sealed partial class PlaybackDevices : Page
{
    public ObservableCollection<AudioControlModel> Devices = new ObservableCollection<AudioControlModel>();

    public PlaybackDevices()
    {
        this.InitializeComponent();
        this.LoadDevices();
    }

    private async void LoadDevices()
    {
        IEnumerable<CoreAudioDevice> devices = await App.CoreAudioController.GetPlaybackDevicesAsync();

        devices = devices.Where(device => device.State != DeviceState.Active).ToList();

        foreach (CoreAudioDevice device in devices)
        {
            Devices.Add(new AudioControlModel(device.InterfaceName, device.Id, DeviceIcon.Digital, device.Volume));
        }
    }
}

public sealed partial class PlaybackDevices : Page
{
    public ObservableCollection<AudioControlModel> Devices = new ObservableCollection<AudioControlModel>();

    public PlaybackDevices()
    {
        this.InitializeComponent();
        this.LoadDevices();
    }

    private async void LoadDevices()
    {
        IEnumerable<CoreAudioDevice> devices = await App.CoreAudioController.GetPlaybackDevicesAsync();

        devices = devices.Where(device => device.State != DeviceState.Active).ToList();

        foreach (CoreAudioDevice device in devices)
        {
            Devices.Add(new AudioControlModel(device.InterfaceName, device.Id, DeviceIcon.Digital, device.Volume));
        }
    }
}