How to initialize controls' eventHandler in a TabNavigator?

Like following script, the btnA is null when iniMe is
invoked.
<?xml version="1.0"?>
<mx:Application xmlns:mx="
http://www.adobe.com/2006/mxml"
xmlns:ns1="ctls.*" initialize="iniMe();">
<mx:Script>
<![CDATA[
import mx.controls.Alert;
function iniMe(){
if (btnA==null) mx.controls.Alert.show("btnA is null!");
btnc.addEventListener("click",myFunc);
function myFunc(event:Event):void{
mx.controls.Alert.show("clicked");
]]>
</mx:Script>
<mx:TabNavigator x="64" y="71" width="200" height="200"
>
<mx:Canvas id="canvasA" label="tabA" width="100%"
height="100%">
<mx:Button id="btnA" x="42" y="77" label="ButtonA"/>
</mx:Canvas>
</mx:TabNavigator>
</mx:Application>
How do i add eventHandler to btnA using ActionScript? ( Not
in mxml)
thanks.

First, try using the creationComplete event instead of
initialize.
Tracy

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