MainWindow.xaml

<Window x:Class="CefSharp.Wpf.Example.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:cefSharp="clr-namespace:CefSharp.Wpf;assembly=CefSharp.Wpf"
        xmlns:example="clr-namespace:CefSharp.Example;assembly=CefSharp.Example"
        Title="CefSharp.Wpf.Example"
        WindowState="Maximized">

    <TabControl x:Name="TabControl"
                Margin="0,5,0,0"
                SelectionChanged="OnTabControlSelectionChanged">
        <!-- TODO: Change the TabItems to use a proper ItemsSource-based approach instead. This is just a big hack for now. -->
        <TabItem Header="{Binding Tab1Content.DataContext.Title}"
                 Width="150"
                 Height="20">
            <ContentControl Content="{Binding Tab1Content}" />
        </TabItem>

        <TabItem Header="{Binding Tab2Content.DataContext.Title}"
                 Width="150"
                 Height="20">
            <ContentControl Content="{Binding Tab2Content}" />
        </TabItem>
        
        <TabItem Header="+"/>
    </TabControl>
</Window>