System.NotImplementedException: The method or operation is not implemented.
at void System.Windows.Documents.TextServicesHost._RegisterTextStore(TextStore textstore)
at void System.Windows.Documents.TextStore.OnAttach()
at object System.Windows.Documents.TextEditor.InitTextStore(object o)
at object System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, object args, int numArgs)
at object System.Windows.Threading.ExceptionWrapper.TryCatchWhen(object source, Delegate callback, object args, int numArgs, Delegate catchHandler)
at void System.Windows.Threading.DispatcherOperation.InvokeImpl()
at void System.Windows.Threading.DispatcherOperation.InvokeInSecurityContext(object state)
at void MS.Internal.CulturePreservingExecutionContext.CallbackWrapper(object obj)
at void MS.Internal.CulturePreservingExecutionContext.Run(CulturePreservingExecutionContext executionContext, ContextCallback callback, object state)
at void System.Windows.Threading.DispatcherOperation.Invoke()
at void System.Windows.Threading.Dispatcher.ProcessQueue()
System.NotImplementedException: Class not registered
Class not registered
at ITfDocumentMgr System.Windows.Input.TextServicesContext.get_EmptyDocumentManager()
at void System.Windows.Input.InputMethod.EnableOrDisableInputMethod(bool bEnabled)
at void System.Windows.Input.TextServicesManager.Focus(DependencyObject focus)
at void System.Windows.Input.KeyboardDevice.ChangeFocus(DependencyObject focus, int timestamp)
at void System.Windows.Input.KeyboardDevice.TryChangeFocus(DependencyObject newFocus, IKeyboardInputProvider keyboardInputProvider, bool askOld, bool askNew, bool forceToNullIfFailed)
at void System.Windows.Input.KeyboardDevice.Focus(DependencyObject focus, bool askOld, bool askNew, bool forceToNullIfFailed) x 2
at bool System.Windows.UIElement.Focus()
at void System.Windows.Controls.Primitives.ButtonBase.OnMouseLeftButtonDown(MouseButtonEventArgs e)
at void System.Windows.UIElement.OnMouseLeftButtonDownThunk(object sender, MouseButtonEventArgs e)
at void System.Windows.Input.MouseButtonEventArgs.InvokeEventHandler(Delegate genericHandler, object genericTarget)
at void System.Windows.RoutedEventArgs.InvokeHandler(Delegate handler, object target)
at void System.Windows.RoutedEventHandlerInfo.InvokeHandler(object target, RoutedEventArgs routedEventArgs)
at void System.Windows.EventRoute.InvokeHandlersImpl(object source, RoutedEventArgs args, bool reRaised)
at void System.Windows.UIElement.ReRaiseEventAs(DependencyObject sender, RoutedEventArgs args, RoutedEvent newEvent)
at void System.Windows.UIElement.OnMouseDownThunk(object sender, MouseButtonEventArgs e)
System.NotImplementedException: Class not registered
Class not registered
at void System.Windows.Input.TextServicesContext.RegisterTextStore(DefaultTextStore defaultTextStore)
at DefaultTextStore System.Windows.Input.DefaultTextStore.get_Current()
at void System.Windows.Input.TextServicesContext.SetFocusOnDefaultTextStore()
at void System.Windows.Input.InputMethod.EnableOrDisableInputMethod(bool bEnabled)
at void System.Windows.Input.TextServicesManager.Focus(DependencyObject focus)
at void System.Windows.Input.KeyboardDevice.ChangeFocus(DependencyObject focus, int timestamp)
at void System.Windows.Input.KeyboardDevice.TryChangeFocus(DependencyObject newFocus, IKeyboardInputProvider keyboardInputProvider, bool askOld, bool askNew, bool forceToNullIfFailed)
at void System.Windows.Input.KeyboardDevice.Focus(DependencyObject focus, bool askOld, bool askNew, bool forceToNullIfFailed) x 2
at bool System.Windows.UIElement.Focus()
at bool System.Windows.Input.KeyboardNavigation.Navigate(DependencyObject currentElement, TraversalRequest request, ModifierKeys modifierKeys, DependencyObject firstElement, bool fromProcessInputTabKey)
at bool System.Windows.FrameworkElement.MoveFocus(TraversalRequest request)
System.NullReferenceException: Object reference not set to an instance of an object.
at object System.Windows.Documents.TextServicesHost.OnUnregisterTextStore(object arg)
at void System.Windows.Documents.TextServicesHost.UnregisterTextStore(TextStore textstore, bool finalizer)
at void System.Windows.Documents.TextStore.OnDetach(bool finalizer)
at void System.Windows.Documents.TextEditor.DetachTextStore(bool finalizer)
at void System.Windows.Documents.TextEditor+TextEditorShutDownListener.OnShutDown(object target, object sender, EventArgs e)
at void MS.Internal.ShutDownListener.HandleShutDown(object sender, EventArgs e)
at void EventHandler.Invoke(object sender, EventArgs e)
at void System.Windows.Threading.Dispatcher.ShutdownImplInSecurityContext(object state)
at void MS.Internal.CulturePreservingExecutionContext.CallbackWrapper(object obj)
at void MS.Internal.CulturePreservingExecutionContext.Run(CulturePreservingExecutionContext executionContext, ContextCallback callback, object state)
at void System.Windows.Threading.Dispatcher.ShutdownImpl()
at void System.Windows.Threading.Dispatcher.PushFrameImpl(DispatcherFrame frame)
at void System.Windows.Threading.Dispatcher.PushFrame(DispatcherFrame frame)