private TreeViewDataModel createNewNode(StringItem nodeName)
        {
            var newNode = new TreeViewDataModel()
            {
                DisplayName = nodeName
            };

            newNode.Children.Add(new TreeViewDataModel()
            {
                DisplayName = nodeName
            });
            return(newNode);
        }
 public void addNewLocNode(StringItem nodeName)
 {
     TreeObservableCollection.Add(createNewNode(nodeName));
 }