/** Lookup which XGraphicsRange contains an XRangeFigure... */
 public int findFigure(XRangeFigure figure) {
   XGraphicsRange XRange;
   for (int i = 0, j = 0; i < getRowCount(); i++, j += 2) {
     XRange = (XGraphicsRange) rangeObjects.get(i);
     if (XRange.isFigure(figure)) {
       return i;
     }
   }
   return -1;
 }