MainWindow.xaml

<Window x:Class="CreateHtmlUi.Wpf.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:local="clr-namespace:CreateHtmlUi.Wpf"
        xmlns:wpf="clr-namespace:DotNetBrowser.Wpf;assembly=DotNetBrowser.Wpf"
        mc:Ignorable="d"
        Title="MainWindow" Height="600" Width="960" Closed="MainWindow_OnClosed">
    <Grid>
        <Grid.ColumnDefinitions>
            <ColumnDefinition Width="*"/>
            <ColumnDefinition Width="*"/>
        </Grid.ColumnDefinitions>
        <wpf:BrowserView Name="browserView1" Grid.Column="0" />
        <wpf:BrowserView Name="browserView2" Grid.Column="1"/>
    </Grid>
</Window>