ELK/Furnace/FurnaceRT/Backends/BackendTuneView.xaml

<UserControl x:Class="FurnaceRT.Backends.BackendTuneView"
             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:local="clr-namespace:FurnaceRT.Backends"
             mc:Ignorable="d" 
             d:DesignHeight="450" d:DesignWidth="800">
    <Grid Margin="10">
        <TabControl>

            <TabItem Header="   PM Leak Check  ">
                <local:BackendPressureTuneView  ></local:BackendPressureTuneView>
            </TabItem>
        </TabControl>
            
    </Grid>
</UserControl>