code: public int findElement(Object bookmark, int iHandleType)
      {
          if (bookmark == null)
              return -1;
          int iTargetPosition = m_gridBuffer.findElement(bookmark, iHandleType);
          if (iTargetPosition == -1)
              iTargetPosition = m_gridList.findElement(bookmark, iHandleType);
          return iTargetPosition;   // Not found
      }
docs: Find this bookmark in one of the lists.
  @return int index in table; or -1 if not found.
  @param bookmark java.lang.Object The bookmark to look for.
  @param iHandleType The type of bookmark to look for.