CSReportDll.cReport.orderNumberDesc C# (CSharp) Метод

        private bool orderNumberDesc(int first, int last, int orderBy)
        {
            int i = 0;
            int j = 0;
            int t = 0;
            int q = 0;
            bool bChanged = false;

            t = pEstimateLoops(last - first);
            for (i = first + 1; i <= last; i++)
            {
                bChanged = false;
                for (j = last; j >= i; j--)
                {
                    q = q + 1;
                    double number1 = cUtil.val(m_rows.Rows[m_vRowsIndex[j]][orderBy]);
                    double number2 = cUtil.val(m_rows.Rows[m_vRowsIndex[j - 1]][orderBy]);
                    if (number1 > number2)
                    {
                        if (!OnProgress("", 0, q, t))
                        {
                            return false;
                        }
                        changeRow(j, j - 1);
                        bChanged = true;
                    }
                }
                if (!OnProgress("", 0, q, t))
                {
                    return false;
                }
                if (!bChanged)
                {
                    break;
                }
            }
            return true;
        }