Use ToolTipManager to create an error tip
<?xml version="1.0"?>
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml">
<mx:Script>
import mx.managers.ToolTipManager;
import mx.controls.ToolTip;
public var myTip:ToolTip;
private function createBigTip(event:Event):void {
myTip = ToolTipManager.createToolTip("Error",
event.currentTarget.x + event.currentTarget.width,
event.currentTarget.y,
"errorTipRight") as ToolTip;
}
private function destroyBigTip():void {
ToolTipManager.destroyToolTip(myTip);
}
</mx:Script>
<mx:Panel rollOver="createBigTip(event)" rollOut="destroyBigTip()">
<mx:Button label="Cancel" toolTip="Cancel and exit."/>
</mx:Panel>
</mx:Application>
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