FlexibleWebAuthView.xaml

<UserControl
    x:Class="OAuth2Manager.FlexibleWebAuthView"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:local="using:OAuth2Manager"
    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
    mc:Ignorable="d"
    d:DesignHeight="1000"
    d:DesignWidth="800"
    x:Name="FlexibleWebAuthViewControl">

    <Grid>
        <Grid.RowDefinitions>
            <RowDefinition Height="100"/>
            <RowDefinition Height="*" />
        </Grid.RowDefinitions>
        <TextBlock Text="Connect to Service"
                   VerticalAlignment="Center"
                   Margin="20 0 0 0"
                   Style="{StaticResource HeaderTextBlockStyle}"/>
        <Grid Grid.Row="1"
              Background="White">
            <WebView x:Name="InternalWebView"
                     HorizontalAlignment="Center"
                     VerticalAlignment="Stretch"
                     Width="800" />
        </Grid>
    </Grid>
</UserControl>