System.Xml.XmlConvert.VerifyPublicId C# (CSharp) Méthode

        public static string VerifyPublicId(string publicId)
        {
            if (publicId == null)
            {
                throw new ArgumentNullException(nameof(publicId));
            }

            // returns the position of invalid character or -1
            int pos = s_xmlCharType.IsPublicId(publicId);
            if (pos != -1)
            {
                throw CreateInvalidCharException(publicId, pos, ExceptionType.XmlException);
            }

            return publicId;
        }