System.Data.XDRSchema.GetMinMax C# (CSharp) Метод

        internal void GetMinMax(XmlElement elNode, bool isAttribute, ref int minOccurs, ref int maxOccurs)
        {
            string occurs = elNode.GetAttribute(Keywords.MINOCCURS);
            if (occurs != null && occurs.Length > 0)
            {
                try
                {
                    minOccurs = int.Parse(occurs, CultureInfo.InvariantCulture);
                }
                catch (Exception e) when (ADP.IsCatchableExceptionType(e))
                {
                    throw ExceptionBuilder.AttributeValues(nameof(minOccurs), "0", "1");
                }
            }
            occurs = elNode.GetAttribute(Keywords.MAXOCCURS);

            if (occurs != null && occurs.Length > 0)
            {
                int bZeroOrMore = string.Compare(occurs, Keywords.STAR, StringComparison.Ordinal);
                if (bZeroOrMore == 0)
                {
                    maxOccurs = -1;
                }
                else
                {
                    try
                    {
                        maxOccurs = int.Parse(occurs, CultureInfo.InvariantCulture);
                    }
                    catch (Exception e) when (ADP.IsCatchableExceptionType(e))
                    {
                        throw ExceptionBuilder.AttributeValues(nameof(maxOccurs), "1", Keywords.STAR);
                    }
                    if (maxOccurs != 1)
                    {
                        throw ExceptionBuilder.AttributeValues(nameof(maxOccurs), "1", Keywords.STAR);
                    }
                }
            }
        }