WPF: Widok drzewa przez parsowanie łańcucha

Dlaczego moje drzewo wyświetla tylko 2 poziomy? Na przykład,NetworkControl.AddressData.MessageOriginatorID.Value pokazuje tylkoNetworkControl jako root iAddressData jako dziecko, aleAddressData nie pokazujeMessageOriginatorID.Value jako dziecko.

Dane wejściowe:

       public List<TreeModel> GetRequestTreeNodes()
        {

        string[] nodes = {"NetworkControl.AlternateIndexText.Value",
                             "NetworkControl.AddressData.DestinationID",
                             "NetworkControl.AddressData.MessageOriginatorID.Value",
                             "NetworkControl.AddressData.TransactionOriginatorID.Value",
                             "NetworkControl.AddressData.MessageOriginatorID.Value",
                             "VehicleIdentification.IdentificationID.Value",
                             "VehicleSummary.VehicleIdentification.IdentificationID.Value",
                             "TitleSummary.TitleIdentification.IdentificationID.Value",
                             "TitleSummary.JurisdictionTitlingKeyText.Value",
                             "VehicleSummary.VehicleIdentification.IdentificationID.Value",
                              };

        List<TreeModel> nodeList = BuildTree(nodes);

        return nodeList;

    }

Metoda parsera:

      public List<TreeModel> BuildTree(IEnumerable<string> strings)
    {
        return (
          from s in strings
          let split = s.Split('.')
          group s by s.Split('.')[0] into g
          select new TreeModel
          {
              Name = g.Key,
              Children = BuildTree(
                from s in g
                where s.Length > g.Key.Length + 1
                select s.Substring(g.Key.Length + 1))
          }
          ).ToList();


    }       

Metoda wypełniająca dane w widoku drzewa:

     public List<TreeViewModel> GetRequestTreeNodesFromModel()
       {
        treeNodeViewModel = treeModel.GetRequestTreeNodes().Select(a => new TreeViewModel
        {
            Children = a.Children.Select(c => new TreeViewModel { Name = c.Name }).ToList(),
            Name = a.Name,

        }).ToList();

        return treeNodeViewModel;
    }

XAML

     <TreeView Margin="644,137,6,6" Grid.RowSpan="2" ItemsSource="{Binding Path=TreeView}">
            <TreeView.Resources>
                <HierarchicalDataTemplate DataType="{x:Type local:TreeViewModel}" ItemsSource="{Binding Path= Children}">
                        <CheckBox IsChecked="{Binding Name}" Content="{Binding Name}" />
                    <!--<TextBlock Text="{Binding Name}" />-->
                </HierarchicalDataTemplate>
                </TreeView.Resources>
        </TreeView>

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