                                                 _selectionActivePosition);
             scrollAfterUpdate = false;                                                
         }
-                                                
-        widthConstraint = NaN;
-        heightConstraint = NaN;                   
     }
 
     /**

        // Either constraints are preventing auto-sizing or we need to
        // remeasure which will reset autoSize.
        autoSize = false;
        
        if (width != measuredWidth)
        {

    override public function set percentWidth(value:Number):void
    {
        super.percentWidth = value;

        widthConstraint = NaN;

        // If we were autoSizing and now we are not we need to remeasure.
        invalidateSize();
