System.Xml.XmlDictionaryString.ToString C# (CSharp) Méthode

        public override string ToString() { throw null; }
    }

        public override void WriteQualifiedName(XmlDictionaryString local, XmlDictionaryString ns)
        {
            string prefix  = namespaces.LastOrDefault(i => i.Value.ToString() == ns.ToString()).Key;
            bool   use_dic = prefix != null;

            if (prefix == null)
            {
                prefix = LookupPrefix(ns.Value);
            }
            if (prefix == null)
            {
                throw new ArgumentException(String.Format("Namespace URI '{0}' is not bound to any of the prefixes", ns));
            }

            ProcessTypedValue();

            if (use_dic && prefix.Length == 1)
            {
                writer.Write(BF.QNameIndex);
                writer.Write((byte)(prefix [0] - 'a'));
                WriteDictionaryIndex(local);
            }
            else
            {
                // QNameIndex is not applicable.
                WriteString(prefix);
                WriteString(":");
                WriteString(local);
            }
        }