Artemis/src/Artemis.UI/Screens/Module/ModuleRootView.xaml

<UserControl x:Class="Artemis.UI.Screens.Module.ModuleRootView"
             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
             xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
             xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
             xmlns:dragablz="http://dragablz.net/winfx/xaml/dragablz"
             xmlns:s="https://github.com/canton7/Stylet"
             xmlns:module="clr-namespace:Artemis.UI.Screens.Module"
             xmlns:materialDesign="http://materialdesigninxaml.net/winfx/xaml/themes"
             mc:Ignorable="d"
             d:DesignHeight="450" d:DesignWidth="800"
             d:DataContext="{d:DesignInstance module:ModuleRootViewModel}">

    <dragablz:TabablzControl Margin="0 -1 0 0" ItemsSource="{Binding Items}" SelectedItem="{Binding ActiveItem}" FixedHeaderCount="{Binding FixedHeaderCount}">
        <dragablz:TabablzControl.HeaderItemTemplate>
            <DataTemplate>
                <TextBlock Text="{Binding DisplayName}" />
            </DataTemplate>
        </dragablz:TabablzControl.HeaderItemTemplate>
        <dragablz:TabablzControl.ContentTemplate>
            <DataTemplate>
                <materialDesign:TransitioningContent OpeningEffect="{materialDesign:TransitionEffect FadeIn}">
                    <ContentControl s:View.Model="{Binding}" IsTabStop="False"/>
                </materialDesign:TransitioningContent>
            </DataTemplate>
        </dragablz:TabablzControl.ContentTemplate>
    </dragablz:TabablzControl>
</UserControl>