reactive/Rx.NET/Test/Rx/WindowsStoreApp8_NuGet/MainPage.xaml

<Page
    x:Class="WindowsStoreApp8_NuGet.MainPage"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:local="using:WindowsStoreApp8_NuGet"
    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
    mc:Ignorable="d">

    <Grid Background="{StaticResource ApplicationPageBackgroundThemeBrush}">
        <Button x:Name="button1" Content="Run tests" HorizontalAlignment="Left" Margin="10,10,0,0" VerticalAlignment="Top" Width="148" Click="button1_Click" FontSize="24"/>
        <TextBox x:Name="textBox1" HorizontalAlignment="Left" Height="44" Margin="187,16,0,0" TextWrapping="Wrap" VerticalAlignment="Top" Width="248"/>
        <TextBlock x:Name="label1" Text="(Results)" HorizontalAlignment="Left" Margin="10,85,0,0" VerticalAlignment="Top" FontSize="24"/>
    </Grid>
</Page>