// Methods #region load document public void LoadDocument(System.Xml.XmlDocument oXmlDocument) { XmlDocument = (System.Xml.XmlDocument)oXmlDocument.Clone(); chkAuto.Checked = true; txtXPath.Text = string.Empty; tvXPath.Nodes.Clear(); txtXPath.AutoCompleteCustomSource.Clear(); txtXPath.AutoCompleteCustomSource.AddRange(GetAllXPathsOfNode(CreateDocumentTreeNode(XmlDocument))); }