     //--------------------------------------------------------------------------
 
     /**
-     *  Position the thumb button according to the given thumbPos
-     *  parameter, relative to the current y location of the track
-     *  in the VSlider control.
+     *  Position the thumb button based on the specified thumb position,
+     *  relative to the current Y location of the track
+     *  in the control.
      * 
      *  @param thumbPos A number representing the new position of
      *  the thumb button in the control.

    //--------------------------------------------------------------------------

    /**
     *  The size of the track on an VSlider equals the height 
     *  of the track.
     */
    override protected function get trackSize():Number
        {

    }
    
    /**
     *  Return the position of the thumb button on a FxVSlider component.
     *  This value is equal to the
     *  track height subtracted by the Y position of the thumb button
     *  relative to the track, and subtracted by the height of the thumb button.
     * 
     *  @param localX The x position relative to the track.
     * 
     *  @param localY The y position relative to the track.
     *
     *  @return The position of the thumb button.
     */
    override protected function pointToPosition(localX:Number, 
                                                localY:Number):Number
