Aperture 3 slideshow: How to stop and then restart at the same point?

Question

I am about to give a slideshow in Aperture 3 (or could use iPhoto). I need to run the show for a while, stop it and then use a different app and then come back to Aperture and restart the slideshow from where I stopped it.
Simply pausing and restarting the slideshow by pressing the space bar doesn't allow you to leave the app and do something else.
Once you leave the aperture or iPhoto, even if you move the playhead or select a photo in the middle of your show, it will always start back at the beginning.
Any help appreciated.

Answer 1

This seems to work:
<?xml version="1.0" encoding="utf-8"?>
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml"
  creationComplete="wSearch.send();">
  <mx:Script>
    <![CDATA[
      import mx.controls.dataGridClasses.DataGridColumn;
      private function getData(item:Object, column:DataGridColumn):String{
        return XML(item).valueOf();
    ]]>
  </mx:Script>
  <mx:HTTPService id="wSearch" url="http://xoap.weather.com/search/search?where=aveiro"
    resultFormat="e4x"/>
  <mx:DataGrid x="10" y="53" width="365" id="dgLocation"
    dataProvider="{wSearch.lastResult.loc}">
    <mx:columns>
      <mx:DataGridColumn headerText="Localidade" labelFunction="getData"/>
      <mx:DataGridColumn headerText="Referência" dataField="@id"/>
    </mx:columns>
  </mx:DataGrid>
</mx:Application>
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Greg Lafrance - Flex 2 and 3 ACE certified
www.ChikaraDev.com
Flex / AIR Development, Training, and Support Services