NullReferenceException 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.Controls.VirtualizingStackPanel.<>c__DisplayClass96_0.<InitializeViewport>b__0() 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 向类型为“System.Windows.TriggerCollection”的集合中添加值引发了异常。 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.Control.MeasureOverride(Size constraint) 在 System.Windows.FrameworkElement.MeasureCore(Size availableSize) 在 System.Windows.UIElement.Measure(Size availableSize) 在 System.Windows.Controls.VirtualizingStackPanel.MeasureChild(IItemContainerGenerator& generator, IContainItemStorage& itemStorageProvider, IContainItemStorage& parentItemStorageProvider, Object& parentItem, Boolean& hasUniformOrAverageContainerSizeBeenSet, Double& computedUniformOrAverageContainerSize, Double& computedUniformOrAverageContainerPixelSize, Boolean& computedAreContainersUniformlySized, Boolean& hasAnyContainerSpanChanged, IList& items, Object& item, IList& children, Int32& childIndex, Boolean& visualOrderChanged, Boolean& isHorizontal, Size& childConstraint, Rect& viewport, VirtualizationCacheLength& cacheSize, VirtualizationCacheLengthUnit& cacheUnit, Int64& scrollGeneration, Boolean& foundFirstItemInViewport, Double& firstItemInViewportOffset, Size& stackPixelSize, Size& stackPixelSizeInViewport, Size& stackPixelSizeInCacheBeforeViewport, Size& stackPixelSizeInCacheAfterViewport, Size& stackLogicalSize, Size& stackLogicalSizeInViewport, Size& stackLogicalSizeInCacheBeforeViewport, Size& stackLogicalSizeInCacheAfterViewport, Boolean& mustDisableVirtualization, Boolean isBeforeFirstItem, Boolean isAfterFirstItem, Boolean isAfterLastItem, Boolean skipActualMeasure, Boolean skipGeneration, Boolean isAncestorLookingForFirstItem, Boolean& hasBringIntoViewContainerBeenMeasured, Boolean& hasVirtualizingChildren) 在 System.Windows.Controls.VirtualizingStackPanel.MeasureOverrideImpl(Size constraint, Nullable`1& lastPageSafeOffset, List`1& previouslyMeasuredOffsets, Nullable`1& lastPagePixelSize, Boolean remeasure) 在 System.Windows.Controls.VirtualizingStackPanel.MeasureOverride(Size constraint) 在 System.Windows.FrameworkElement.MeasureCore(Size availableSize) 在 System.Windows.UIElement.Measure(Size availableSize) 在 MS.Internal.Helper.MeasureElementWithSingleChild(UIElement element, Size constraint) 在 System.Windows.Controls.ItemsPresenter.MeasureOverride(Size constraint) 在 System.Windows.FrameworkElement.MeasureCore(Size availableSize) 在 System.Windows.UIElement.Measure(Size availableSize) 在 MS.Internal.Helper.MeasureElementWithSingleChild(UIElement element, Size constraint) 在 System.Windows.Controls.ScrollContentPresenter.MeasureOverride(Size constraint) 在 System.Windows.FrameworkElement.MeasureCore(Size availableSize) 在 System.Windows.UIElement.Measure(Size availableSize) 在 System.Windows.Controls.Grid.MeasureCell(Int32 cell, Boolean forceInfinityV) 在 System.Windows.Controls.Grid.MeasureCellsGroup(Int32 cellsHead, Size referenceSize, Boolean ignoreDesiredSizeU, Boolean forceInfinityV, Boolean& hasDesiredSizeUChanged) 在 System.Windows.Controls.Grid.MeasureOverride(Size constraint) 在 System.Windows.FrameworkElement.MeasureCore(Size availableSize) 在 System.Windows.UIElement.Measure(Size availableSize) 在 System.Windows.Controls.ScrollViewer.MeasureOverride(Size constraint) 在 System.Windows.FrameworkElement.MeasureCore(Size availableSize) 在 System.Windows.UIElement.Measure(Size availableSize) 在 MS.Internal.Helper.MeasureElementWithSingleChild(UIElement element, Size constraint) 在 System.Windows.Controls.ContentPresenter.MeasureOverride(Size constraint) 在 System.Windows.FrameworkElement.MeasureCore(Size availableSize) 在 System.Windows.UIElement.Measure(Size availableSize) 在 HandyControl.Controls.SimplePanel.MeasureOverride(Size constraint) 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.Control.MeasureOverride(Size constraint) 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.Control.MeasureOverride(Size constraint) 在 System.Windows.FrameworkElement.MeasureCore(Size availableSize) 在 System.Windows.UIElement.Measure(Size availableSize) 在 System.Windows.Controls.StackPanel.StackMeasureHelper(IStackMeasure measureElement, IStackMeasureScrollData scrollData, Size constraint) 在 System.Windows.Controls.StackPanel.MeasureOverride(Size constraint) 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.Grid.MeasureOverride(Size constraint) 在 System.Windows.FrameworkElement.MeasureCore(Size availableSize) 在 System.Windows.UIElement.Measure(Size availableSize) 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.SetValueCommon(DependencyProperty dp, Object value, PropertyMetadata metadata, Boolean coerceWithDeferredReference, Boolean coerceWithCurrentValue, OperationType operationType, Boolean isInternal) 在 MS.Internal.Data.PropertyPathWorker.SetValue(Object item, Object value) 在 System.Windows.Data.BindingExpression.UpdateSource(Object value) ArgumentException 值“System.Windows.Setter”不是“System.Windows.TriggerBase”类型,不能在此泛型集合中使用。 参数名: value 在 System.ThrowHelper.ThrowWrongValueTypeArgumentException(Object value, Type targetType) 在 System.Collections.ObjectModel.Collection`1.System.Collections.IList.Add(Object value) 在 MS.Internal.Xaml.Runtime.ClrObjectRuntime.Add(Object collection, XamlType collectionType, Object value, XamlType valueXamlType)