Tooltip's position based on Control's position
<?xml version="1.0"?> <mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" verticalAlign="middle" horizontalAlign="center" height="100" width="300"> <mx:Script> import mx.controls.ToolTip; import mx.managers.ToolTipManager; private var tip:ToolTip; private function showTip(event:Object):void { tip = ToolTipManager.createToolTip("s", event.currentTarget.x + event.currentTarget.width + 10, event.currentTarget.y)as ToolTip; } private function destroyTip(event:Object):void { ToolTipManager.destroyToolTip(tip); } </mx:Script> <mx:TextInput id="a1" width="100" focusIn="showTip(event)" focusOut="destroyTip(event)"/> </mx:Application>