TabNavigator.getTabAt (index) gives 'out of bounds' error

I want to call a function when the user clicks on the tab of my TabNavigator.  I was hoping to use the getTabAt method (index) because it returns a button that I can reach my function of.  If I try:

var tabNav:TabNavigator = new TabNavigator();

var vbox0:VBox = new VBox();
vbox0.label = "tab 0";
tabNav.addChild (vbox0);

this.addChild (tabNav);

var b:Button = tabNav.getTabAt (0);

the last line gives me an error: "index out of range".  What I'm doing wrong here?

var tabNav:TabNavigator = new TabNavigator();
                
var vbox0:VBox = new VBox();
vbox0.label = "tab 0";
tabNav.addChild (vbox0);

this.addChild (tabNav);
               
var b:Button = tabNav.getTabAt (0);

Please make sure that the both tabnavigator and the VBox is created entirely.

tabNav.addEventListener (FlexEvent.CreationComplete, onCompleted);

private void onCompleted(event:FlexEvent):void

{

Add the vBox... and the full event creation and then... try to get the t (0);

}

hope this helps,

BaBo,

Tags: Flex

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