<Window x:Class="Shell.ShellWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        Title="ShellWindow" Height="300" Width="300"
        xmlns:prism="http://www.codeplex.com/prism">
    <Grid>
        <Grid.RowDefinitions>
            <RowDefinition Height="5*" />
            <RowDefinition Height="1*" />
        </Grid.RowDefinitions>
        <Grid.ColumnDefinitions>
            <ColumnDefinition Width="1*" />
            <ColumnDefinition Width="1*" />
        </Grid.ColumnDefinitions>
        <ContentControl Grid.Row="0" Grid.ColumnSpan="2" Name="MainRegion" prism:RegionManager.RegionName="MainRegion" />
        <ContentControl Grid.Row="1" Grid.Column="0" prism:RegionManager.RegionName="MenuRegionA" />
        <ContentControl Grid.Row="1" Grid.Column="1" prism:RegionManager.RegionName="MenuRegionB" />
    </Grid>
</Window>
