flex - How can I user getRepeaterItem to set the progress of a progress bar? -

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i have progress bar inside repeater , therefore need use getrepeateritem set it's progress suggested in this question.

how can such value of progress may taken repmonitor.currentitem.threatlevel?

<mx:accordion id="monaccordian" includein="monitoring" x="10" y="10" width="554" height="242" change="monaccordianchange()" >           <mx:repeater id="repmonitor" dataprovider="{monitoringarray}">       <mx:canvas width="100%" height="100%" label="{repmonitor.currentitem.firstname+' '+ repmonitor.currentitem.lastname}" >         <mx:image x="10" y="10" source="{repmonitor.currentitem.imagename}" width="175" height="118"/>         <s:label x="200" y="14" text="threat level:"/>           <mx:progressbar x="200" y="30" mode="manual" label="" id="bar" width="200" />       </mx:canvas>    </mx:repeater> </mx:accordion>

this function needs called every time threatlevel changes in order update repeater items: 

        private function updateprogresses() : void         {             if (!bar) return;             (var : int = 0; < bar.length; i++)             {                 var p : progressbar = bar[i] progressbar;                 if (p)                 {                     p.setprogress(monitoringarray[i].threatlevel, 100);                 }             }         }


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