NPOI导出Excel自适应行高

NPOI下，怎样自适应行高，因为没有现成的方法，使用如下逻辑兼容自适应方法，适用于03,07版本导出，使用于字符，数字，字母等

            for (int i = 0; i < Rows.Count; i++)
            {
                if (sheet.GetRow(i) == null)
                {
                    continue;
                }
                IRow ICurRow = sheet.GetRow(i);
                int OldHg = ICurRow.Height;
                for (int j = 0; j < Cols.Count; j++)
                {
                    if (ICurRow.GetCell(j) == null)
                    {
                        continue;
                    }
                    ICell CurCell = ICurRow.GetCell(j);
                    if (CurCell.CellType == NPOI.SS.UserModel.CellType.String && CurCell.StringCellValue != string.Empty)
                    {
                        double CurHeight = ICurRow.Sheet.GetColumnWidth(CurCell.ColumnIndex) / 277;
                        double length = Encoding.Default.GetBytes(CurCell.ToString()).Length;
                        short height = Convert.ToInt16(Math.Ceiling(length / CurHeight));
                        if (height * 256 > OldHg)
                        {
                            OldHg = height * 256 ;
                        }
                    }
                }
                if (ICurRow.Height < OldHg)
                {
                    ICurRow.Height = Convert.ToInt16(OldHg);
                }
            }