text: public int GetFormatIndex(CellValueRecordInterface cell){ExtendedFormatRecord xfr = (ExtendedFormatRecord)xfRecords[cell.XFIndex];if (xfr == null){logger.Log(POILogger.ERROR, "Cell " + cell.Row + "," + cell.Column + " uses XF with index " + cell.XFIndex + ", but we don't have that");return -1;}return xfr.FormatIndex;}