XamlParseException: 在“System.Windows.StaticResourceExtension”上提供值时引发了异常。 --LineNumber: 0 --LinePosition: 0 --BaseUri: pack://application:,,,/ToastNotifications.Messages;component/warning/warningdisplaypart.xaml StackTrace: 在 System.Windows.Markup.XamlReader.RewrapException(Exception e, IXamlLineInfo lineInfo, Uri baseUri) 在 System.Windows.Markup.WpfXamlLoader.Load(XamlReader xamlReader, IXamlObjectWriterFactory writerFactory, Boolean skipJournaledProperties, Object rootObject, XamlObjectWriterSettings settings, Uri baseUri) 在 System.Windows.Markup.WpfXamlLoader.LoadBaml(XamlReader xamlReader, Boolean skipJournaledProperties, Object rootObject, XamlAccessLevel accessLevel, Uri baseUri) 在 System.Windows.Markup.XamlReader.LoadBaml(Stream stream, ParserContext parserContext, Object parent, Boolean closeStream) 在 ToastNotifications.Messages.Warning.WarningMessage.CreateDisplayPart() 在 ToastNotifications.Messages.Core.MessageBase`1.Configure() 在 ToastNotifications.Messages.Core.MessageBase`1.get_DisplayPart() 在 ToastNotifications.Display.NotificationsDisplaySupervisor.CloseNotification(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) XamlParseException: Baml 流中出现意外记录。尝试添加到不是集合或具有 TypeConverter 的 DropShadowEffect。 StackTrace: 在 System.Windows.Baml2006.Baml2006Reader.InjectPropertyAndFrameIfNeeded(XamlType elementType, SByte flags) 在 System.Windows.Baml2006.Baml2006Reader.Process_ElementStart() 在 System.Windows.Baml2006.Baml2006Reader.ReadObject(KeyRecord record) 在 System.Windows.ResourceDictionary.CreateObject(KeyRecord key) 在 System.Windows.ResourceDictionary.OnGettingValue(Object key, Object& value, Boolean& canCache) 在 System.Windows.ResourceDictionary.OnGettingValuePrivate(Object key, Object& value, Boolean& canCache) 在 System.Windows.ResourceDictionary.GetValueWithoutLock(Object key, Boolean& canCache) 在 System.Windows.ResourceDictionary.GetValue(Object key, Boolean& canCache) 在 System.Windows.ResourceDictionary.GetValueWithoutLock(Object key, Boolean& canCache) 在 System.Windows.ResourceDictionary.GetValue(Object key, Boolean& canCache) 在 System.Windows.FrameworkElement.FindResourceInternal(FrameworkElement fe, FrameworkContentElement fce, DependencyProperty dp, Object resourceKey, Object unlinkedParent, Boolean allowDeferredResourceReference, Boolean mustReturnDeferredResourceReference, DependencyObject boundaryElement, Boolean isImplicitStyleLookup, Object& source) 在 System.Windows.StaticResourceExtension.FindResourceInAppOrSystem(IServiceProvider serviceProvider, Boolean allowDeferredReference, Boolean mustReturnDeferredResourceReference) 在 System.Windows.StaticResourceExtension.FindResourceInEnviroment(IServiceProvider serviceProvider, Boolean allowDeferredReference, Boolean mustReturnDeferredResourceReference) 在 System.Windows.StaticResourceExtension.TryProvideValueImpl(IServiceProvider serviceProvider, Boolean allowDeferredReference, Boolean mustReturnDeferredResourceReference) 在 System.Windows.StaticResourceExtension.ProvideValueInternal(IServiceProvider serviceProvider, Boolean allowDeferredReference) 在 MS.Internal.Xaml.Runtime.ClrObjectRuntime.CallProvideValue(MarkupExtension me, IServiceProvider serviceProvider)