I have been looking for an example of how to change the SummaryResultsPresenter template.  In the XamFeatureBrowser the "Custom Button In Summary Template" example has a bit that shows how to place a button in place of the default SummaryResultsPresenter.  It shows how to bind the summary results to the Tag property of a button in the SummaryResultsPresenter's ControlTemplate.  Fantastic, however if I try to adapt it to bind and show the summary results with a different control, say a restyled ItemsControl, it never actually gets the summary results bound.  What appears to be happening in the default example is that the binding to the Button's Tag property doesn't actually occur until the Click event occurs.  I don't understand why this is..  To give a sense of what I am try to do, its this:  I want to use the set of summary results to execute code that will go acquire some related data that is not loaded in the XamDataGrid and bind it to controls in a retemplated SummaryResultsPresenter.  Seems like a lot of work to get a "rich footer" on this DataGrid.  In any case, here is the snippet for the SummaryResultsPresenter Style.  Can anyone help me?

<Style TargetType="{x:Type igDP:SummaryResultsPresenter}">

     <Setter Property="FontSize" Value="14"/>

     <Setter Property="Template">

          <Setter.Value>

               <ControlTemplate TargetType="{x:Type igDP:SummaryResultsPresenter}">

                    <Grid>

                         <ItemsControl x:Name="SummaryItems" Visibility="Collapsed" ItemsSource="{TemplateBinding SummaryResults}" />

                              DataContext="{Binding ElementName=SummaryItems, Path=Items}"

                              Tag="{Binding ElementName=SummaryItems, Path=Items}">

                         </Button>

                        <!-- HERE IS THE ELEMENT THAT I HAVE INTRODUCED -->

                         <ListBox HorizontalAlignment="Stretch" VerticalAlignment="Stretch"

                              ItemsSource="{Binding ElementName=btnSummary, Path=Tag}" />

                    </Grid>

                    <ControlTemplate.Triggers>

                         <DataTrigger Binding="{Binding Path=Items.Count, ElementName=SummaryItems}" Value="0">

                              <Setter TargetName="btnSummary" Property="Visibility" Value="Collapsed"/>

                         </DataTrigger>

                    </ControlTemplate.Triggers>

               </ControlTemplate>

          </Setter.Value>

     </Setter>

</Style>