ArgumentNullException: 值不能为 null。
参数名: source
StackTrace:
在 System.Array.Copy(Array sourceArray, Int32 sourceIndex, Array destinationArray, Int32 destinationIndex, Int32 length, Boolean reliable)
在 System.Collections.Generic.Dictionary`2.Resize(Int32 newSize, Boolean forceNewHashCodes)
在 System.Windows.Media.TextFormatting.TextFormatterContext.SetSpecialCharacters(LsContextInfo& contextInfo)
在 System.Windows.Media.TextFormatting.TextFormatterContext.Init()
在 MS.Internal.TextFormatting.TextFormatterImp.AcquireContext(Object owner, IntPtr ploc)
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 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.Border.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.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.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)