         super();
         
         useChromeColor = true;
-        layoutMeasuredHeight = 20;
+        minHeight = 20;
         thumbSkinClass = VScrollBarThumbSkin;
         var paddingRight:int;
         var paddingVertical:int;

            default:
            {
                // default PPI160
                layoutMeasuredWidth = 6;
                paddingRight = VScrollBarThumbSkin.PADDING_RIGHT_DEFAULTDPI;
                paddingVertical = VScrollBarThumbSkin.PADDING_VERTICAL_DEFAULTDPI;
                break;
            }
        }

        // The minimum height is set such that, at it's smallest size, the thumb appears
        // as high as it is wide.
        minThumbHeight = (layoutMeasuredWidth - paddingRight) + (paddingVertical * 2);   
    }
    
    //--------------------------------------------------------------------------

     *  @copy spark.skins.spark.ApplicationSkin#hostComponent
     */
    public var hostComponent:VScrollBar;
    
    /**
     *  @private 
     */
    private var minThumbHeight:Number;
    
    /**
     *  Skin to use for the thumb Button skin part
     */
