<UserControl x:Class="MainTestApplication.GroupingPanel"
             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
             xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" 
             xmlns:d="http://schemas.microsoft.com/expression/blend/2008" 
             xmlns:c1="http://schemas.componentone.com/winfx/2006/xaml"
             mc:Ignorable="d">
    <Grid>
        <Grid.RowDefinitions>
            <RowDefinition Height="Auto" />
            <RowDefinition />
        </Grid.RowDefinitions>
        <c1:C1FlexGridGroupPanel 
                        Background="WhiteSmoke" 
                        FlexGrid="{Binding ElementName=_flex}"/>
        <c1:C1FlexGrid x:Name="_flex" Grid.Row="1" />
    </Grid>
</UserControl>
