How to make a high pitched whistle sound in FruityLoops

<body> <center>Sorry you do not have frames enabled. Here is the link of the tutorial:<br> <a href="http://www.pixel2life.com/publish/tutorials/501/how_to_make_a_high_pitched_whistle_sound/">http://www.pixel2life.com/publish/tutorials/501/how_to_make_a_high_pitched_whistle_sound/</a></center> </body>