     [Inspectable(category="General")]
 
     /**
-     *  Returns the current number of visible elements.
+     *  Returns the current number of elements in view.
      * 
      *  @default -1
      *  

        if (!layoutTarget)
            return;

        if (layoutTarget.numElements == 0)
        {
            setColumnCount(0);
            setIndexInView(-1, -1);
            layoutTarget.setContentSize(0, 0);            
        }
        else if (useVirtualLayout) 
            updateDisplayListVirtual();
        else
            updateDisplayListReal();

     * 
     *  This method is intended to be used by subclass updateDisplayList() 
     *  methods to sync the columnCount property with the actual number
     *  of columns in view.
     *
     *  @param value The number of columns in view.
     *  
     *  @langversion 3.0
     *  @playerversion Flash 10
