OHV/Dev/OHV/OHV.Module.MainViews/Views/AutoView.xaml

<UserControl x:Class="OHV.Module.MainViews.Views.AutoView"
             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:materialDesign="http://materialdesigninxaml.net/winfx/xaml/themes"
             xmlns:local="clr-namespace:OHV.Module.MainViews.Views"
             xmlns:prism="http://prismlibrary.com/"
             prism:ViewModelLocator.AutoWireViewModel="True"
             xmlns:OHVCommonShareds="clr-namespace:OHV.Common.Shareds;assembly=OHV.Common"
             mc:Ignorable="d"  d:DesignHeight="450" d:DesignWidth="800"         
             >

    <Grid Background="#37474f">
        <Grid.ColumnDefinitions>
            <ColumnDefinition Width="*"/>
        </Grid.ColumnDefinitions>

        <Grid Margin="15" Background="#263238">
            <Grid.RowDefinitions>
                <RowDefinition />
                <RowDefinition />
                <RowDefinition />
            </Grid.RowDefinitions>

            <ContentControl Grid.Row="0" prism:RegionManager.RegionName="{x:Static OHVCommonShareds:RegionNames.VehicleCommandList}" VerticalAlignment="Stretch" HorizontalAlignment="Stretch" Width="auto" Height="auto"/>
            <GridSplitter Height="3" VerticalAlignment="Bottom" HorizontalAlignment="Stretch" Background="Gray"></GridSplitter>
            <ContentControl Grid.Row="1" prism:RegionManager.RegionName="{x:Static OHVCommonShareds:RegionNames.VehicleSubCmdList}" VerticalAlignment="Stretch" HorizontalAlignment="Stretch" Width="auto" Height="auto"/>
            <GridSplitter Grid.Row="1" Height="3" VerticalAlignment="Bottom" HorizontalAlignment="Stretch" Background="Gray"></GridSplitter>
            <ContentControl Grid.Row="2" prism:RegionManager.RegionName="{x:Static OHVCommonShareds:RegionNames.VehicleStatus}" VerticalAlignment="Stretch" HorizontalAlignment="Stretch" Width="auto" Height="auto"/>
        </Grid>

    </Grid>
</UserControl>