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.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)

FileNotFoundException
无法找到指定文件。
   在 MS.Internal.TextFormatting.TextMetrics.FullTextLine.FormatLine(FullTextState fullText, Int32 cpFirst, Int32 lineLength, Int32 formatWidth, Int32 finiteFormatWidth, Int32 paragraphWidth, LineFlags lineFlags, FormattedTextSymbols collapsingSymbol)
   在 MS.Internal.TextFormatting.TextMetrics.FullTextLine..ctor(FormatSettings settings, Int32 cpFirst, Int32 lineLength, Int32 paragraphWidth, LineFlags lineFlags)
   在 MS.Internal.TextFormatting.TextFormatterImp.FormatLineInternal(TextSource textSource, Int32 firstCharIndex, Int32 lineLength, Double paragraphWidth, TextParagraphProperties paragraphProperties, TextLineBreak previousLineBreak, TextRunCache textRunCache)
   在 MS.Internal.TextFormatting.TextFormatterImp.FormatLine(TextSource textSource, Int32 firstCharIndex, Double paragraphWidth, TextParagraphProperties paragraphProperties, TextLineBreak previousLineBreak, TextRunCache textRunCache)
   在 System.Windows.Controls.TextBlock.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 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.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 System.Windows.Data.BindingOperations.SetBinding(DependencyObject target, DependencyProperty dp, BindingBase binding)
   在 System.Windows.Controls.Primitives.Popup.CreateRootPopupInternal(Popup popup, UIElement child, Boolean bindTreatMousePlacementAsBottomProperty)
   在 System.Windows.Controls.ToolTip.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 System.Windows.DependencyObject.SetValue(DependencyProperty dp, Object value)
   在 System.Windows.Controls.PopupControlService.RaiseToolTipOpeningEvent(Boolean fromKeyboard)
   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)

FileNotFoundException
无法找到指定文件。
   在 MS.Internal.Text.TextInterface.Native.Util.ConvertHresultToException(Int32 hr)
   在 MS.Internal.Text.TextInterface.FontList.get_Item(UInt32 A_0)
   在 MS.Internal.FontFace.PhysicalFontFamily.MapGlyphTypeface(FontStyle style, FontWeight weight, FontStretch stretch, CharacterBufferRange charString, CultureInfo digitCulture, Int32& advance, Int32& nextValid)
   在 MS.Internal.Shaping.TypefaceMap.MapByFontFaceFamily(CharacterBufferRange unicodeString, CultureInfo culture, CultureInfo digitCulture, IFontFamily fontFamily, FontStyle canonicalStyle, FontWeight canonicalWeight, FontStretch canonicalStretch, PhysicalFontFamily& firstValidFamily, Int32& firstValidLength, IDeviceFont deviceFont, Boolean nullFont, Double scaleInEm, SpanVector scaledTypefaceSpans, Int32 firstCharIndex, Boolean ignoreMissing, Int32& nextValid)
   在 MS.Internal.Shaping.TypefaceMap.MapByFontFamily(CharacterBufferRange unicodeString, CultureInfo culture, CultureInfo digitCulture, IFontFamily fontFamily, CanonicalFontFamilyReference canonicalFamilyReference, FontStyle canonicalStyle, FontWeight canonicalWeight, FontStretch canonicalStretch, PhysicalFontFamily& firstValidFamily, Int32& firstValidLength, IDeviceFont deviceFont, Double scaleInEm, Int32 recursionDepth, SpanVector scaledTypefaceSpans, Int32 firstCharIndex, Int32& nextValid)
   在 MS.Internal.Shaping.TypefaceMap.MapOnceByFontFamilyList(CharacterBufferRange unicodeString, CultureInfo culture, CultureInfo digitCulture, FontFamily[] familyList, PhysicalFontFamily& firstValidFamily, Int32& firstValidLength, IDeviceFont deviceFont, Double scaleInEm, Int32 recursionDepth, SpanVector scaledTypefaceSpans, Int32 firstCharIndex, Int32& nextValid)
   在 MS.Internal.Shaping.TypefaceMap.MapByFontFamilyList(CharacterBufferRange unicodeString, CultureInfo culture, CultureInfo digitCulture, FontFamily[] familyList, PhysicalFontFamily& firstValidFamily, Int32& firstValidLength, IDeviceFont deviceFont, Double scaleInEm, Int32 recursionDepth, SpanVector scaledTypefaceSpans, Int32 firstCharIndex, Int32& nextValid)
   在 MS.Internal.Shaping.TypefaceMap.MapItem(CharacterBufferRange unicodeString, CultureInfo culture, Span itemSpan, SpanVector`1& cachedScaledTypefaceIndexSpans, Int32 ichItem)
   在 MS.Internal.Shaping.TypefaceMap.GetShapeableText(CharacterBufferReference characterBufferReference, Int32 stringLength, TextRunProperties textRunProperties, CultureInfo digitCulture, Boolean isRightToLeftParagraph, IList`1 shapeableList, IShapeableTextCollector collector, TextFormattingMode textFormattingMode)
   在 MS.Internal.Shaping.GlyphingCache.GetShapeableText(Typeface typeface, CharacterBufferReference characterBufferReference, Int32 stringLength, TextRunProperties textRunProperties, CultureInfo digitCulture, Boolean isRightToLeftParagraph, IList`1 shapeableList, IShapeableTextCollector collector, TextFormattingMode textFormattingMode)
   在 System.Windows.Media.TextFormatting.TextCharacters.MS.Internal.TextFormatting.ITextSymbols.GetTextShapeableSymbols(GlyphingCache glyphingCache, CharacterBufferReference characterBufferReference, Int32 length, Boolean rightToLeft, Boolean isRightToLeftParagraph, CultureInfo digitCulture, TextModifierScope textModifierScope, TextFormattingMode textFormattingMode, Boolean isSideways)
   在 MS.Internal.TextFormatting.TextStore.CreateTextLSRuns(TextRunInfo runInfo, IList`1 textEffects, CultureInfo digitCulture, Int32 offsetToFirstChar, Int32 stringLength, Int32 uniformBidiLevel, TextFormattingMode textFormattingMode, Boolean isSideways, Int32& lastBidiLevel)
   在 MS.Internal.TextFormatting.TextStore.CreateLSRuns(TextRunInfo runInfo, IList`1 textEffects, CultureInfo digitCulture, Int32 offsetToFirstChar, Int32 stringLength, Int32 uniformBidiLevel, TextFormattingMode textFormattingMode, Boolean isSideways, Int32& lastBidiLevel, Int32& textRunLength)
   在 MS.Internal.TextFormatting.TextStore.CreateLSRunsUniformBidiLevel(SpanVector runInfoVector, SpanVector textEffectsVector, Int32 runInfoFirstCp, Int32 ichUniform, Int32 cchUniform, Int32 uniformBidiLevel, TextFormattingMode textFormattingMode, Boolean isSideways, Int32& lastBidiLevel)
   在 MS.Internal.TextFormatting.TextStore.FetchLSRun(Int32 lscpFetch, TextFormattingMode textFormattingMode, Boolean isSideways, Plsrun& plsrun, Int32& lsrunOffset, Int32& lsrunLength)
   在 MS.Internal.TextFormatting.LineServicesCallbacks.FetchRunRedefined(IntPtr pols, Int32 lscpFetch, Int32 fIsStyle, IntPtr pstyle, Char* pwchTextBuffer, Int32 cchTextBuffer, Int32& fIsBufferUsed, Char*& pwchText, Int32& cchText, Int32& fIsHidden, LsChp& lschp, IntPtr& lsplsrun)