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

        private static bool IsValidChild(XmlNode parent, XmlNode child) {
            switch (parent.NodeType) {
                case XmlNodeType.Element:
                    return true;
                case XmlNodeType.DocumentFragment:
                    switch (child.NodeType) {
                        case XmlNodeType.Element:
                        case XmlNodeType.Text:
                        case XmlNodeType.CDATA:
                        case XmlNodeType.ProcessingInstruction:
                        case XmlNodeType.Comment:
                        case XmlNodeType.Whitespace:
                        case XmlNodeType.SignificantWhitespace:
                            return true;
                    }
                    break;
                case XmlNodeType.Document:
                    switch (child.NodeType) {
                        case XmlNodeType.Element:
                        case XmlNodeType.ProcessingInstruction:
                        case XmlNodeType.Comment:
                            return true;
                    }
                    break;
                default:
                    break;
            }
            return false;
        }