Use Button to select Tab
<?xml version="1.0"?> <mx:Application xmlns:mx="http://www.adobe.com/2006/mxml"> <mx:Panel title="TabNavigator" height="90%" width="90%"> <mx:TabNavigator id="tn1" width="100%" height="100%" creationPolicy="all"> <mx:VBox label="Panel 1"> <mx:Label text="Panel 1" /> </mx:VBox> <mx:VBox label="Panel 2"> <mx:Label text="Panel 2" /> </mx:VBox> <mx:VBox label="Panel 3"> <mx:Label text="Panel 3" /> </mx:VBox> </mx:TabNavigator> <mx:Label width="100%" text="Click on the button to choose a panel."/> <mx:HBox> <mx:Button label="Select Tab 1" click="tn1.selectedIndex=0"/> <mx:Button label="Select Tab 2" click="tn1.selectedIndex=1"/> <mx:Button label="Select Tab 3" click="tn1.selectedIndex=2"/> </mx:HBox> </mx:Panel> </mx:Application>