InvalidOperationException: 关闭 Window 之后,无法设置 Visibility,也无法调用 Show、ShowDialogor 或 WindowInteropHelper.EnsureHandle。 StackTrace: 在 System.Windows.Window.VerifyCanShow() 在 System.Windows.Window.CoerceVisibility(DependencyObject d, Object value) 在 System.Windows.DependencyObject.ProcessCoerceValue(DependencyProperty dp, PropertyMetadata metadata, EntryIndex& entryIndex, Int32& targetIndex, EffectiveValueEntry& newEntry, EffectiveValueEntry& oldEntry, Object& oldValue, Object baseValue, Object controlValue, CoerceValueCallback coerceValueCallback, Boolean coerceWithDeferredReference, Boolean coerceWithCurrentValue, Boolean skipBaseValueChecks) 在 System.Windows.DependencyObject.UpdateEffectiveValue(EntryIndex entryIndex, DependencyProperty dp, PropertyMetadata metadata, EffectiveValueEntry oldEntry, EffectiveValueEntry& newEntry, Boolean coerceWithDeferredReference, Boolean coerceWithCurrentValue, OperationType operationType) 在 System.Windows.DependencyObject.SetValueCommon(DependencyProperty dp, Object value, PropertyMetadata metadata, Boolean coerceWithDeferredReference, Boolean coerceWithCurrentValue, OperationType operationType, Boolean isInternal) 在 System.Windows.DependencyObject.SetValue(DependencyProperty dp, Object value) 在 ToastNotifications.Display.NotificationsWindow.<RecomputeLayout>b__7_0() 在 System.Windows.Threading.DispatcherOperation.InvokeDelegateCore() 在 System.Windows.Threading.DispatcherOperation.InvokeImpl() --- 引发异常的上一位置中堆栈跟踪的末尾 --- 在 System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() 在 System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) 在 System.Windows.Threading.DispatcherOperation.Wait(TimeSpan timeout) 在 System.Windows.Threading.Dispatcher.InvokeImpl(DispatcherOperation operation, CancellationToken cancellationToken, TimeSpan timeout) 在 System.Windows.Threading.Dispatcher.Invoke(Action callback, DispatcherPriority priority, CancellationToken cancellationToken, TimeSpan timeout) 在 System.Windows.Threading.Dispatcher.Invoke(Action callback, DispatcherPriority priority) 在 ToastNotifications.Display.NotificationsDisplaySupervisor.ShowNotification(INotification notification) 在 ToastNotifications.Display.NotificationsDisplaySupervisor.InternalDisplayNotification(INotification notification) 在 System.Windows.Threading.Dispatcher.Invoke(Action callback, DispatcherPriority priority, CancellationToken cancellationToken, TimeSpan timeout) 在 System.Windows.Threading.Dispatcher.Invoke(Action callback) 在 ToastNotifications.Display.NotificationsDisplaySupervisor.DisplayNotification(INotification notification) 在 ToastNotifications.Lifetime.TimeAndCountBasedLifetimeSupervisor.PushNotification(INotification notification) 在 ToastNotifications.Lifetime.TimeAndCountBasedLifetimeSupervisor.CloseNotification(INotification notification) 在 ToastNotifications.Lifetime.TimeAndCountBasedLifetimeSupervisor.OnTimerTick() 在 System.Windows.Threading.DispatcherTimer.FireTick(Object unused) 在 System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs) 在 System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler) 在 System.Windows.Threading.DispatcherOperation.InvokeImpl() 在 MS.Internal.CulturePreservingExecutionContext.CallbackWrapper(Object obj) 在 System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx) 在 System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx) 在 System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state) 在 MS.Internal.CulturePreservingExecutionContext.Run(CulturePreservingExecutionContext executionContext, ContextCallback callback, Object state) 在 System.Windows.Threading.DispatcherOperation.Invoke() 在 System.Windows.Threading.Dispatcher.ProcessQueue() 在 System.Windows.Threading.Dispatcher.WndProcHook(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled) 在 MS.Win32.HwndWrapper.WndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled) 在 MS.Win32.HwndSubclass.DispatcherCallbackOperation(Object o) 在 System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs) 在 System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler) 在 System.Windows.Threading.Dispatcher.LegacyInvokeImpl(DispatcherPriority priority, TimeSpan timeout, Delegate method, Object args, Int32 numArgs) 在 MS.Win32.HwndSubclass.SubclassWndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam) 在 MS.Win32.UnsafeNativeMethods.DispatchMessage(MSG& msg) 在 System.Windows.Threading.Dispatcher.PushFrameImpl(DispatcherFrame frame) 在 System.Windows.Application.RunDispatcher(Object ignore) 在 System.Windows.Application.RunInternal(Window window) 在 Quicker.App.Main()