 {
 
 import mx.core.DPIClassification;
+import mx.core.mx_internal;
 
 import spark.components.Button;
 import spark.components.VScrollBar;
 import spark.skins.mobile.supportClasses.MobileSkin;
-import mx.core.mx_internal;
+
 use namespace mx_internal;
 
 /**

            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);   
    }
    
    //--------------------------------------------------------------------------

        {
            case DPIClassification.DPI_320:
            {
                minWidth = 12;
                paddingRight = VScrollBarThumbSkin.PADDING_RIGHT_320DPI;
                paddingVertical = VScrollBarThumbSkin.PADDING_VERTICAL_320DPI;
                break;
            }
            case DPIClassification.DPI_240:
            {
                minWidth = 9;
                paddingRight = VScrollBarThumbSkin.PADDING_RIGHT_240DPI;
                paddingVertical = VScrollBarThumbSkin.PADDING_VERTICAL_240DPI;
                break;
