opencv/sources/samples/winrt_universal/PhoneTutorial/MainPage.xaml

<Page
    x:Class="PhoneTutorial.MainPage"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:local="using:PhoneTutorial"
    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
    mc:Ignorable="d"
    Background="{ThemeResource ApplicationPageBackgroundThemeBrush}">
        <Grid>
        <StackPanel>
            <Image x:Name="image" />
            <Button x:Name="Process" Content="Process" HorizontalAlignment="Center" Click="Process_Click"/>
            <Button x:Name="Reset" Content="Reset" HorizontalAlignment="Center" Click="Reset_Click"/>
        </StackPanel>
    </Grid>
</Page>