import fl.controls.ComboBox;

import fl.data.DataProvider;

 

var dp:DataProvider = new DataProvider();

 

var cb:ComboBox = new ComboBox();

cb.dataProvider = dp;

addChild(cb);

 

var counter = 0;

var t:Timer = new Timer(500);

t.addEventListener(TimerEvent.TIMER,addAnotherItem);

t.start();

 

function addAnotherItem(e:TimerEvent = null):void {

    dp.addItem( { label: "Item " + counter++ } );

}