3rdpartylibs/WPF_VS_Editor-master/WPF_VS_Editor/MainWindow.xaml

<Window x:Class="WPF_VS_Editor.MainWindow"
        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:Microsoft.Web.WebView2.Wpf;assembly=Microsoft.Web.WebView2.Wpf"
        mc:Ignorable="d"
        Title="VS Code via Monaco" Height="450" Width="800">
    <Grid>
        <Grid.RowDefinitions>
            <RowDefinition Height="Auto" />
            <RowDefinition />
        </Grid.RowDefinitions>
        <Button Click="Button_Click"
                Content="Get Text"/>
        <wpf:WebView2 x:Name="webView21"
                      Grid.Row="1"
                      HorizontalAlignment="Stretch" />

    </Grid>
</Window>