Minimize an application to dock in Adobe AIR

gistfile1.as

private function minimizeToDock():void{
  nativeWindow.addEventListener(Event.CLOSING, function(event:Event):void{
    event.preventDefault();
    nativeWindow.visible = false; 
    nativeApplication.addEventListener(InvokeEvent.INVOKE, function(event:InvokeEvent):void{
      trace(" Invoking...");
      nativeWindow.visible = true;
    });
  });
}