 
     private var _paddingLeft:Number = 0;
     
-    [Inspectable(category="General")]
+    [Inspectable(category="General", minValue="0.0")]
 
     /**
      *  The minimum number of pixels between the container's left edge and


    private var _paddingRight:Number = 0;
    
    [Inspectable(category="General")]

    /**
     *  The minimum number of pixels between the container's right edge and

    
    private var _rowHeight:Number;

    [Inspectable(category="General", minValue="0.0")]

    /**
     *  If <code>variableRowHeight</code> is <code>false</code>, then 
