             track.height = layoutMeasuredHeight;
             addChild(track);
         }
-        
         if (!thumb)
         {
             thumb = new Button();

        super();
        
        useChromeColor = true;
        
        // Depending on density set our measured width and height
        switch (applicationDPI)
        {
            case DPIClassification.DPI_240:
            {
                layoutMeasuredWidth = 9;
                layoutMeasuredHeight = 40;
                break;
            }
            default:
            {
                // default PPI160
                layoutMeasuredWidth = 6;
                layoutMeasuredHeight = 20;
                
                break;
            }
        }

{

import mx.core.DPIClassification;

import spark.components.Button;
import spark.components.VScrollBar;
