<UserControl x:Class="SilverlightApplication1.MainPage" 
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"   
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:mscorlib="clr-namespace:System;assembly=mscorlib"
    xmlns:control="clr-namespace:Telerik.Windows.Controls;assembly=Telerik.Windows.Controls.Charting"
    xmlns:chart="clr-namespace:Telerik.Windows.Controls.Charting;assembly=Telerik.Windows.Controls.Charting"
    xmlns:controls="clr-namespace:System.Windows.Controls;assembly=System.Windows.Controls">

    <Grid x:Name="LayoutRoot">
        <Grid.ColumnDefinitions>
            <ColumnDefinition />
            <ColumnDefinition />
        </Grid.ColumnDefinitions>

        <control:RadChart x:Name="RadChart1">
        </control:RadChart>

        <Image x:Name="ChartSnapshotImage" Visibility="Collapsed" Stretch="Fill" />
        <controls:GridSplitter Grid.Column="0" 
                               MouseLeftButtonDown="GridSplitterMouseLeftButtonDown" 
                               MouseLeftButtonUp="GridSplitterMouseLeftButtonUp" 
                               VerticalAlignment="Stretch" 
                               Background="Red" 
                               Width="5" />
    </Grid>

</UserControl> 