return new CellRangeAddress(a.getFirstRow(), a.getLastRow(), a.getFirstColumn(),a.getLastColumn());
}
public void setArrayFormula(CellRangeAddress r, Ptg[] ptgs) {
ArrayRecord arr = new ArrayRecord(Formula.create(ptgs), new CellRangeAddress8Bit(r.getFirstRow(), r.getLastRow(), r.getFirstColumn(), r.getLastColumn()));
_sharedValueManager.addArrayRecord(arr);
}