<UserControl
    x:Class="XamlCruncher.SplitContainer"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:local="using:XamlCruncher">
    
    <Grid>
        <!-- Default Orientation is Horizontal -->
        <Grid.ColumnDefinitions>
            <ColumnDefinition x:Name="coldef1" Width="*" MinWidth="100" />
            <ColumnDefinition Width="Auto" />
            <ColumnDefinition x:Name="coldef2" Width="*" MinWidth="100" />
        </Grid.ColumnDefinitions>

        <!-- Alternative Orientation is Vertical -->
        <Grid.RowDefinitions>
            <RowDefinition x:Name="rowdef1" Height="*" />
            <RowDefinition Height="Auto" />
            <RowDefinition x:Name="rowdef2" Height="0" />
        </Grid.RowDefinitions>
        
        <Grid Name="grid1"
              Grid.Row="0"
              Grid.Column="0" />
        
        <Thumb x:ConnectionId='1' Name="thumb"
               Grid.Row="0"
               Grid.Column="1" 
               Width="12"
                                               
                                            />
        
        <Grid Name="grid2"
              Grid.Row="0"
              Grid.Column="2" />
    </Grid>
</UserControl>

