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

        internal void ResetPosition(XmlNode node) {
            Debug.Assert(node != null, "Undefined navigator position");
            Debug.Assert(node == document || node.OwnerDocument == document, "Navigator switched documents"); 
            source = node;
            XmlAttribute attribute = node as XmlAttribute;
            if (attribute != null) {
                XmlElement element = attribute.OwnerElement; 
                if (element != null) {
                    ResetAttributePosition(attribute, element.Attributes, out attributeIndex);
                    if (attribute.IsNamespace) {
                        namespaceParent = element;
                    }
                }
            }
        }