QuickLook/QuickLook.Plugin/QuickLook.Plugin.CertViewer/CertViewerControl.xaml

<UserControl x:Class="QuickLook.Plugin.CertViewer.CertViewerControl"
             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
             xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
             xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
             d:DesignHeight="600"
             d:DesignWidth="800"
             mc:Ignorable="d">
    <Grid>
        <Grid.ColumnDefinitions>
            <ColumnDefinition Width="*" />
            <ColumnDefinition Width="*" />
        </Grid.ColumnDefinitions>
        <Grid.RowDefinitions>
            <RowDefinition Height="*" />
        </Grid.RowDefinitions>

        <DataGrid x:Name="PropertyList"
                  Grid.Column="0"
                  Margin="8"
                  AutoGenerateColumns="False"
                  IsReadOnly="True"
                  HeadersVisibility="Column"
                  RowHeaderWidth="0">
            <DataGrid.Columns>
                <DataGridTextColumn Header="Field" Binding="{Binding Key}" Width="150" />
                <DataGridTextColumn Header="Value" Binding="{Binding Value}" Width="*" />
            </DataGrid.Columns>
        </DataGrid>

        <TextBox x:Name="RawText"
                 Grid.Column="1"
                 Margin="8"
                 AcceptsReturn="True"
                 HorizontalScrollBarVisibility="Auto"
                 IsReadOnly="True"
                 TextWrapping="Wrap"
                 VerticalScrollBarVisibility="Auto" />
    </Grid>
</UserControl>