Minics/Tools/Mini8SlaveSim/Views/WorkArea.xaml

<UserControl x:Class="Mini8SlaveSim.Views.WorkArea"
             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:Mini8SlaveSim.Views"
             xmlns:prism="http://prismlibrary.com/"
             prism:ViewModelLocator.AutoWireViewModel="True"
             mc:Ignorable="d"
             d:Height="700" d:Width="800">
    <Grid Background="#FFCECECE" Margin="10,10,10,10">
        <TabControl ItemsSource="{Binding Tabs}" SelectedIndex="{Binding SelectedTabIndex}" Margin="10,10,10,10" />
    </Grid>
</UserControl>