public void HideTraverseElement(Document doc)
 {
     if (m_allTreeNodeList.Count == 0 || m_allTreeNodeList == null)
     {
         return;
     }
     foreach (var treenode in m_allTreeNodeList)
     {
         Element ele = MtCommon.GetElementById(doc, treenode.Id.ToString());
         MtCommon.HideElementTemporary(doc, ele);
     }
     m_allTreeNodeList.Clear();
 }