System.Xml.DocumentXPathNavigator.InsertBefore C# (CSharp) Méthode

        public override XmlWriter InsertBefore() {
            switch (source.NodeType) {
                case XmlNodeType.Attribute:
                case XmlNodeType.Document:
                case XmlNodeType.DocumentFragment:
                    throw new InvalidOperationException(Res.GetString(Res.Xpn_BadPosition));
                case XmlNodeType.Text:
                case XmlNodeType.CDATA:
                case XmlNodeType.SignificantWhitespace:
                case XmlNodeType.Whitespace:
                    CalibrateText();

                    break;
                default:
                    break;
            }

            DocumentXmlWriter writer = new DocumentXmlWriter(DocumentXmlWriterType.InsertSiblingBefore, source, document);
            writer.NamespaceManager = GetNamespaceManager(source.ParentNode, document);
            return new XmlWellFormedWriter(writer, writer.Settings);
        }