velopack/samples/CSharpUno/UnoSample/MainPage.xaml

<Page x:Class="UnoSample.MainPage"
	  xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
	  xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
	  xmlns:local="using:UnoSample"
	  Background="{ThemeResource ApplicationPageBackgroundThemeBrush}">
	<Grid>
		<StackPanel HorizontalAlignment="Center"
					VerticalAlignment="Center"
					Spacing="16">
			<TextBlock Text="The app is not installed with Velopack"
					   Visibility="{x:Bind NotInstalled}" />
			<TextBlock Text="{x:Bind ViewModel.CurrentVersion}" />

			<Button HorizontalAlignment="Center"
					Command="{Binding CheckForUpdatesCommand}"
					Content="Check For Updates" />
			<Button HorizontalAlignment="Center"
					Command="{Binding DownloadUpdatesCommand}"
					Content="Download Updates"
					Visibility="{x:Bind ViewModel.HasUpdate, Mode=OneWay}" />
			<TextBlock Text="{Binding Status}" />
		</StackPanel>
	</Grid>
</Page>