ObjectBrowser to WpfTreeView conversion.

            //Get ObjectBrowser Window
            Window objectBrowserWin = UIEnvironment.Windows["ObjectBrowser"];
            //Get Control normally as ABBInternal.ProjectBrowser.LayoutBrowser;
            var layoutBrowser = objectBrowserWin.Control;
            if ( !(layoutBrowser is null) && layoutBrowser.IsHandleCreated)
            {
                // Get first Control (Second is tool buttons)
                System.Windows.Forms.Integration.ElementHost elementHost = (System.Windows.Forms.Integration.ElementHost)layoutBrowser.Controls[0];
                WpfTreeView wpfTreeView = (WpfTreeView)elementHost.Child;
                // Get TreeModel normally as ABBInternal.ProjectBrowser.LayoutTreeModel
                TreeModel treeModel = wpfTreeView.TreeModel;
                if (!(treeModel is null))
                {
                    //Create new window
                    ToolWindow toolWindow = new ToolWindow("FilteredObjectBrowserWindow")
                    {
                        Caption = "Filtered ObjectBrowser."
                    };
                    UIEnvironment.Windows.AddDocked(toolWindow, System.Windows.Forms.DockStyle.Top, UIEnvironment.Windows["ObjectBrowser"] as ToolWindow);

                    WpfTreeView filterTreeView = new WpfTreeView();
                    // Create a copy treeModel
                    WpfTreeModel wpfTreeModel = new WpfTreeModel();
                    filterTreeView.TreeModel = wpfTreeModel;
                    wpfTreeModel.ExpandRootNodes = treeModel.ExpandRootNodes;
                    wpfTreeModel.ExpandedNodes.AddRange(treeModel.ExpandedNodes);

                    // Create the ElementHost control for hosting the
                    // WPF UserControl.
                    System.Windows.Forms.Integration.ElementHost host = new System.Windows.Forms.Integration.ElementHost
                    {
                        Dock = System.Windows.Forms.DockStyle.Fill,

                        // Assign the WPF UserControl to the ElementHost control's
                        // Child property.
                        Child = filterTreeView
                    };

                    // Add the ElementHost control to the form's
                    // collection of child controls.
                    toolWindow.Control.Controls.Add(host);
                }
            }

System.InvalidCastException
  HResult=0x80004002
  Message=Unable to cast object of type 'ABB.Robotics.RobotStudio.Stations.Station' to type 'ABB.Robotics.RobotStudio.UI.WpfTreeNode'.
  Source=ABB.Robotics.RobotStudio.UI
  StackTrace:
   at ABB.Robotics.RobotStudio.UI.WpfTreeModel.GetNodeToolTip(Object obj)
   at ABB.Robotics.RobotStudio.UI.WpfTreeView.Grid_ToolTipOpening(Object sender, ToolTipEventArgs e)
   at System.Windows.Controls.ToolTipEventArgs.InvokeEventHandler(Delegate genericHandler, Object genericTarget)
   at System.Windows.RoutedEventArgs.InvokeHandler(Delegate handler, Object target)
   at System.Windows.RoutedEventHandlerInfo.InvokeHandler(Object target, RoutedEventArgs routedEventArgs)
   at System.Windows.EventRoute.InvokeHandlersImpl(Object source, RoutedEventArgs args, Boolean reRaised)
   at System.Windows.UIElement.RaiseEventImpl(DependencyObject sender, RoutedEventArgs args)
   at System.Windows.UIElement.RaiseEvent(RoutedEventArgs e)
   at System.Windows.Controls.PopupControlService.RaiseToolTipOpeningEvent(Boolean fromKeyboard)
   at System.Windows.Controls.PopupControlService.<>c__DisplayClass8_0.<InspectElementForToolTip>b__0(Object s, EventArgs e)
   at System.Windows.Threading.DispatcherTimer.FireTick(Object unused)
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.DispatcherOperation.InvokeImpl()
   at System.Windows.Threading.DispatcherOperation.InvokeInSecurityContext(Object state)
   at MS.Internal.CulturePreservingExecutionContext.CallbackWrapper(Object obj)
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
   at MS.Internal.CulturePreservingExecutionContext.Run(CulturePreservingExecutionContext executionContext, ContextCallback callback, Object state)
   at System.Windows.Threading.DispatcherOperation.Invoke()
   at System.Windows.Threading.Dispatcher.ProcessQueue()
   at System.Windows.Threading.Dispatcher.WndProcHook(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndWrapper.WndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndSubclass.DispatcherCallbackOperation(Object o)
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.Dispatcher.LegacyInvokeImpl(DispatcherPriority priority, TimeSpan timeout, Delegate method, Object args, Int32 numArgs)
   at MS.Win32.HwndSubclass.SubclassWndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam)
   at System.Windows.Forms.UnsafeNativeMethods.DispatchMessageW(MSG& msg)
   at System.Windows.Forms.Application.ComponentManager.System.Windows.Forms.UnsafeNativeMethods.IMsoComponentManager.FPushMessageLoop(IntPtr dwComponentID, Int32 reason, Int32 pvLoopData)
   at System.Windows.Forms.Application.ThreadContext.RunMessageLoopInner(Int32 reason, ApplicationContext context)
   at System.Windows.Forms.Application.ThreadContext.RunMessageLoop(Int32 reason, ApplicationContext context)
   at System.Windows.Forms.Application.Run(Form mainForm)
   at ABBInternal.StudioAppFramework.StudioAppFrameworkHost.Run()
   at RobotStudio.Program.Main(String[] args)