System.Xml.Schema.Datatype_long.TryParseValue C# (CSharp) Method

        internal override Exception TryParseValue(string s, XmlNameTable nameTable, IXmlNamespaceResolver nsmgr, out object typedValue)
        {
            Exception exception;

            typedValue = null;

            exception = s_numeric10FacetsChecker.CheckLexicalFacets(ref s, this);
            if (exception != null) goto Error;

            long int64Value;
            exception = XmlConvert.TryToInt64(s, out int64Value);
            if (exception != null) goto Error;

            exception = s_numeric10FacetsChecker.CheckValueFacets(int64Value, this);
            if (exception != null) goto Error;

            typedValue = int64Value;

            return null;

        Error:
            return exception;
        }
    }