NullReferenceException: 未将对象引用设置到对象的实例。 StackTrace: 在 System.Windows.Controls.Primitives.Popup.OnWindowResize(Object sender, AutoResizedEventArgs e) 在 System.Windows.Interop.HwndSource.Resize(Size newSize) 在 System.Windows.Interop.HwndSource.OnLayoutUpdated(Object obj, EventArgs args) 在 System.Windows.ContextLayoutManager.fireLayoutUpdateEvent() 在 System.Windows.ContextLayoutManager.UpdateLayout() 在 System.Windows.ContextLayoutManager.UpdateLayoutCallback(Object arg) 在 System.Windows.Media.MediaContext.FireInvokeOnRenderCallbacks() 在 System.Windows.Media.MediaContext.RenderMessageHandlerCore(Object resizedCompositionTarget) 在 System.Windows.Media.MediaContext.RenderMessageHandler(Object resizedCompositionTarget) 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) XamlParseException: 尝试读取或写入受保护的内存。这通常指示其他内存已损坏。 --LineNumber: 0 --LinePosition: 0 StackTrace: 在 System.Windows.Markup.XamlReader.RewrapException(Exception e, IXamlLineInfo lineInfo, Uri baseUri) 在 System.Windows.FrameworkTemplate.LoadTemplateXaml(XamlReader templateReader, XamlObjectWriter currentWriter) 在 System.Windows.FrameworkTemplate.LoadTemplateXaml(XamlObjectWriter objectWriter) 在 System.Windows.FrameworkTemplate.LoadOptimizedTemplateContent(DependencyObject container, IComponentConnector componentConnector, IStyleConnector styleConnector, List`1 affectedChildren, UncommonField`1 templatedNonFeChildrenField) 在 System.Windows.FrameworkTemplate.LoadContent(DependencyObject container, List`1 affectedChildren) 在 System.Windows.StyleHelper.ApplyTemplateContent(UncommonField`1 dataField, DependencyObject container, FrameworkElementFactory templateRoot, Int32 lastChildIndex, HybridDictionary childIndexFromChildID, FrameworkTemplate frameworkTemplate) 在 System.Windows.FrameworkTemplate.ApplyTemplateContent(UncommonField`1 templateDataField, FrameworkElement container) 在 System.Windows.FrameworkElement.ApplyTemplate() 在 System.Windows.FrameworkElement.MeasureCore(Size availableSize) 在 System.Windows.UIElement.Measure(Size availableSize) 在 System.Windows.Controls.Border.MeasureOverride(Size constraint) 在 System.Windows.FrameworkElement.MeasureCore(Size availableSize) 在 System.Windows.UIElement.Measure(Size availableSize) 在 System.Windows.Controls.Decorator.MeasureOverride(Size constraint) 在 System.Windows.Documents.AdornerDecorator.MeasureOverride(Size constraint) 在 System.Windows.FrameworkElement.MeasureCore(Size availableSize) 在 System.Windows.UIElement.Measure(Size availableSize) 在 System.Windows.Controls.Decorator.MeasureOverride(Size constraint) 在 System.Windows.FrameworkElement.MeasureCore(Size availableSize) 在 System.Windows.UIElement.Measure(Size availableSize) 在 System.Windows.Controls.Primitives.PopupRoot.MeasureOverride(Size constraint) 在 System.Windows.FrameworkElement.MeasureCore(Size availableSize) 在 System.Windows.UIElement.Measure(Size availableSize) 在 System.Windows.Interop.HwndSource.SetLayoutSize() 在 System.Windows.Interop.HwndSource.set_RootVisualInternal(Visual value) 在 System.Windows.Controls.Primitives.Popup.SetRootVisualToPopupRoot() 在 System.Windows.Controls.Primitives.Popup.CreateWindow(Boolean asyncCall) 在 System.Windows.Controls.Primitives.Popup.OnIsOpenChanged(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.InvalidateProperty(DependencyProperty dp, Boolean preserveCurrentValue) 在 System.Windows.Data.BindingExpressionBase.Invalidate(Boolean isASubPropertyChange) 在 System.Windows.Data.BindingExpression.TransferValue(Object newValue, Boolean isASubPropertyChange) 在 MS.Internal.Data.PropertyPathWorker.UpdateSourceValueState(Int32 k, ICollectionView collectionView, Object newValue, Boolean isASubPropertyChange) 在 MS.Internal.Data.PropertyPathWorker.OnDependencyPropertyChanged(DependencyObject d, DependencyProperty dp, Boolean isASubPropertyChange) 在 System.Windows.Data.BindingExpression.HandlePropertyInvalidation(DependencyObject d, DependencyPropertyChangedEventArgs args) 在 System.Windows.Data.BindingExpressionBase.OnPropertyInvalidation(DependencyObject d, DependencyPropertyChangedEventArgs args) 在 System.Windows.Data.BindingExpression.OnPropertyInvalidation(DependencyObject d, DependencyPropertyChangedEventArgs args) 在 System.Windows.DependentList.InvalidateDependents(DependencyObject source, DependencyPropertyChangedEventArgs sourceArgs) 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.DependencyObject.SetCurrentValueInternal(DependencyProperty dp, Object value) 在 System.Windows.Controls.MenuItem.OpenMenu() 在 System.Windows.Controls.MenuItem.<SetTimerToOpenHierarchy>b__189_0(Object sender, EventArgs e) 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) AccessViolationException: 尝试读取或写入受保护的内存。这通常指示其他内存已损坏。 StackTrace: 在 MS.Utility.ArrayItemList`1..ctor(Int32 size) 在 MS.Utility.FrugalObjectList`1.Add(T value) 在 System.Windows.WeakEventManager.ListenerList.AddHandler(Delegate handler) 在 System.Windows.WeakEventManager.AddListener(Object source, IWeakEventListener listener, Delegate handler) 在 System.Windows.Input.RoutedCommand.add_CanExecuteChanged(EventHandler value) 在 System.Windows.Input.CanExecuteChangedEventManager.PrivateAddHandler(ICommand source, EventHandler`1 handler) 在 System.Windows.Controls.Primitives.ButtonBase.HookCommand(ICommand command) 在 System.Windows.Controls.Primitives.ButtonBase.OnCommandChanged(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.FrameworkTemplate.ReceivePropertySet(Object targetObject, XamlMember member, Object value, DependencyObject templatedParent) 在 System.Windows.FrameworkTemplate.<>c__DisplayClass45_0.<LoadOptimizedTemplateContent>b__3(Object sender, XamlSetValueEventArgs setArgs) 在 System.Xaml.XamlObjectWriter.OnSetValue(Object eventSender, XamlMember member, Object value) 在 System.Xaml.XamlObjectWriter.SetValue(Object inst, XamlMember property, Object value) 在 System.Xaml.XamlObjectWriter.Logic_ApplyPropertyValue(ObjectWriterContext ctx, XamlMember prop, Object value, Boolean onParent) 在 System.Xaml.XamlObjectWriter.Logic_DoAssignmentToParentProperty(ObjectWriterContext ctx) 在 System.Xaml.XamlObjectWriter.WriteEndMember() 在 System.Windows.FrameworkTemplate.LoadTemplateXaml(XamlReader templateReader, XamlObjectWriter currentWriter)