<?xml version="1.0" encoding="utf-8"?>
<!-- http://blog.flexexamples.com/2008/10/06/setting-the-label-placement-on-a-tabbar-control-in-flex/ -->
<mx:Application name="TabBar_getChildAt_labelPlacement_test"
        xmlns:mx="http://www.adobe.com/2006/mxml"
        layout="vertical"
        verticalAlign="middle"
        backgroundColor="white"
        initialize="init();">

    <mx:Script>
        <![CDATA[
            import mx.controls.ButtonLabelPlacement;
            import mx.controls.TabBar;
            import mx.controls.tabBarClasses.Tab;

            [Embed("assets/arrow_left.png")]
            private const ARROW_LEFT_ICON:Class;

            [Embed("assets/arrow_right.png")]
            private const ARROW_RIGHT_ICON:Class;

            [Embed("assets/arrow_up.png")]
            private const ARROW_TOP_ICON:Class;

            [Embed("assets/arrow_down.png")]
            private const ARROW_BOTTOM_ICON:Class;

            private var arr:Array;
            private var tabBar:TabBar;

            private function init():void {
                arr = [];
                arr.push({label:ButtonLabelPlacement.LEFT,
                            icon:ARROW_LEFT_ICON});
                arr.push({label:ButtonLabelPlacement.RIGHT,
                            icon:ARROW_RIGHT_ICON});
                arr.push({label:ButtonLabelPlacement.TOP,
                            icon:ARROW_TOP_ICON});
                arr.push({label:ButtonLabelPlacement.BOTTOM,
                            icon:ARROW_BOTTOM_ICON});

                tabBar = new TabBar();
                tabBar.dataProvider = arr;
                tabBar.setStyle("tabWidth", 150);
                tabBar.setStyle("tabHeight", 60);
                addChild(tabBar);

                var tab:Tab;
                var idx:uint;
                var len:uint = tabBar.numChildren;
                for (idx=0; idx<len; idx++) {
                    tab = tabBar.getChildAt(idx) as Tab;
                    tab.labelPlacement = tab.label;
                } 
            }
        ]]>
    </mx:Script>

</mx:Application>