System.Xml.DataPointer.NthColumn C# (CSharp) Méthode

        private DataColumn NthColumn(DataRow row, bool fAttribute, int iColumn, bool fNulls)
        {
            DataColumn c = null;
            while ((c = NextColumn(row, c, fAttribute, fNulls)) != null)
            {
                if (iColumn == 0)
                {
                    return c;
                }

                iColumn = checked((iColumn - 1));
            }
            return null;
        }