Silverlight GridSplitter Control

<UserControl
    xmlns:basics="clr-namespace:System.Windows.Controls;assembly=System.Windows.Controls" 
    x:Class="GridSplitter2.Page"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    Width="400" Height="300">
    <Grid x:Name="LayoutRoot" ShowGridLines="True" Background="White" Width="400" Height="300">
        <Grid.RowDefinitions>
            <RowDefinition />
        </Grid.RowDefinitions>
        <Grid.ColumnDefinitions>
            <ColumnDefinition />
            <ColumnDefinition Width="Auto"/>
            <ColumnDefinition />
        </Grid.ColumnDefinitions>
        <basics:GridSplitter x:Name="grsplSplitter" Grid.Row="0" Grid.Column="1" VerticalAlignment
="Stretch" HorizontalAlignment="Center" Background="Aqua" Width="5"></basics:GridSplitter>
    </Grid>
</UserControl>

 

<Grid.ColumnDefinitions>
    <ColumnDefinition />
    <ColumnDefinition Width="25"/>
    <ColumnDefinition />
</Grid.ColumnDefinitions>

 

<UserControl
    xmlns:basics="clr-namespace:System.Windows.Controls;assembly=System.Windows.Controls" 
    x:Class="GridSplitter2.Page"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    Width="400" Height="300">
    <Grid x:Name="LayoutRoot" ShowGridLines="True" Background="White" Width="400" Height="300">
        <Grid.RowDefinitions>
            <RowDefinition />
            <RowDefinition Height="Auto" />
            <RowDefinition />
        </Grid.RowDefinitions>
        <Grid.ColumnDefinitions>
            <ColumnDefinition />
        </Grid.ColumnDefinitions>
        <basics:GridSplitter x:Name="grsplSplitter" Grid.Row="1" Grid.Column="0" VerticalAlignment="Center" HorizontalAlignment="Stretch" Background="Aqua" Height="5"></basics:GridSplitter>
    </Grid>
</UserControl>

 

<basics:GridSplitter ShowsPreview="True" x:Name="grsplSplitter" Grid.Row="0" Grid.Column="1" VerticalAlignment="Stretch" HorizontalAlignment="Center" Background="Aqua" Width="5"></basics:GridSplitter>

 

 

refernce: http://www.silverlightshow.net/items/Using-the-GridSplitter-control-in-Silverlight-2-Beta-1.aspx