InvalidOperationException: 序列不包含任何匹配元素 StackTrace: 在 System.Linq.Enumerable.First[TSource](IEnumerable`1 source, Func`2 predicate) 在 DynamicClass.FloatTextPanelControl.GetFieldByType(Type instanceType, Type type) 在 DynamicClass.FloatTextPanelControl.Evs(Object sender, DependencyPropertyChangedEventArgs e) 在 System.Windows.DependencyPropertyChangedEventHandler.Invoke(Object sender, DependencyPropertyChangedEventArgs e) 在 System.Windows.UIElement.RaiseDependencyPropertyChanged(EventPrivateKey key, DependencyPropertyChangedEventArgs args) 在 System.Windows.UIElement.OnIsVisibleChanged(DependencyObject d, DependencyPropertyChangedEventArgs e) 在 System.Windows.DependencyObject.OnPropertyChanged(DependencyPropertyChangedEventArgs e) 在 System.Windows.FrameworkElement.OnPropertyChanged(DependencyPropertyChangedEventArgs e) 在 System.Windows.DependencyObject.NotifyPropertyChange(DependencyPropertyChangedEventArgs args) 在 System.Windows.UIElement.UpdateIsVisibleCache() 在 System.Windows.UIElement.OnVisibilityChanged(DependencyObject d, DependencyPropertyChangedEventArgs e) 在 System.Windows.PropertyChangedCallback.Invoke(DependencyObject d, DependencyPropertyChangedEventArgs e) 在 System.Windows.DependencyObject.OnPropertyChanged(DependencyPropertyChangedEventArgs e) 在 System.Windows.FrameworkElement.OnPropertyChanged(DependencyPropertyChangedEventArgs e) 在 System.Windows.DependencyObject.NotifyPropertyChange(DependencyPropertyChangedEventArgs args) 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.Window.UpdateVisibilityProperty(Visibility value) 在 System.Windows.Window.Hide() 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) 在 Quicker.View.TextFloatPanelWindow.vx9Et85Rauj(Object ) 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.TimerQueueTimer.CallCallback() 在 System.Threading.TimerQueueTimer.Fire() 在 System.Threading.TimerQueue.FireNextTimers()