MainWindow.xaml

<Window
    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"
    xmlns:wpf="clr-namespace:DotNetBrowser.Wpf;assembly=DotNetBrowser.Wpf"
    x:Class="Extensions.Wpf.MainWindow"
    mc:Ignorable="d"
    Title="Chrome extension" Height="480" Width="800" Closed="Window_Closed">
    <Grid>
        <Grid.RowDefinitions>
            <RowDefinition Height="Auto"/>
            <RowDefinition Height="*"/>
        </Grid.RowDefinitions>
        <StackPanel Height="40" Orientation="Horizontal" HorizontalAlignment="Center">
            <Button Margin="5" Padding="5" Click="OnInstallExtension">Install</Button>
            <Button Margin="5" Padding="5" Click="OnLaunchExtension">Launch</Button>
        </StackPanel>
        <wpf:BrowserView Grid.Row="1" Name="WebView" />
    </Grid>
</Window>