System.Xml.XmlDocument.CreateDocumentType C# (CSharp) Method

        public virtual XmlDocumentType CreateDocumentType(string name, string publicId, string systemId, string internalSubset)
        {
            return new XmlDocumentType(name, publicId, systemId, internalSubset, this);
        }

        internal static void Write(Stream stream, Dictionary<string, object> plist)
        {
            XmlDocument xmlDoc = new XmlDocument();
            xmlDoc.XmlResolver = null;

            XmlDeclaration xmlDecl = xmlDoc.CreateXmlDeclaration("1.0", "UTF-8", null);
            xmlDoc.AppendChild(xmlDecl);
            XmlDocumentType xmlDocType = xmlDoc.CreateDocumentType("plist", "-//Apple//DTD PLIST 1.0//EN", "http://www.apple.com/DTDs/PropertyList-1.0.dtd", null);
            xmlDoc.AppendChild(xmlDocType);

            XmlElement rootElement = xmlDoc.CreateElement("plist");
            rootElement.SetAttribute("Version", "1.0");
            xmlDoc.AppendChild(rootElement);

            xmlDoc.DocumentElement.SetAttribute("Version", "1.0");

            rootElement.AppendChild(CreateNode(xmlDoc, plist));

            XmlWriterSettings settings = new XmlWriterSettings();
            settings.Indent = true;
            settings.Encoding = Encoding.UTF8;

            using (XmlWriter xw = XmlTextWriter.Create(stream, settings))
            {
                xmlDoc.Save(xw);
            }
        }