// 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)));
}
