         {
             setValue(newValue); 
             dispatchEvent(new TrackBaseEvent(TrackBaseEvent.THUMB_DRAG));
-            dispatchEvent(new Event(Event.CHANGE));
         }
     
         event.updateAfterEvent();

            system_mouseUpHandler);
        
        clickOffset = thumb.globalToLocal(new Point(event.stageX, event.stageY));
        
        dispatchEvent(new TrackBaseEvent(TrackBaseEvent.THUMB_PRESS));
        dispatchEvent(new FlexEvent(FlexEvent.CHANGE_START));
    }

    /**

        return minimum;
    }

    /**
     *  @private   
     */
