Silverlight 4 checklistbox with border

        <Border Grid.Column="1" BorderThickness="1" BorderBrush="Black" Margin="5">
            <ItemsControl ItemsSource="{Binding YOURDATA}" >
                <ItemsControl.ItemTemplate>
                    <DataTemplate>
                        <CheckBox Content="{Binding TEXT}" Margin="2"/>
                    </DataTemplate>
                </ItemsControl.ItemTemplate>
            </ItemsControl>
        </Border>