OutOfMemoryException: 引发类型为“System.OutOfMemoryException”的异常。
StackTrace:
   在 HandyControl.Interactivity.AttachableCollection`1.OnCollectionChanged(Object sender, NotifyCollectionChangedEventArgs e)
   在 System.Windows.FreezableCollection`1.OnCollectionChanged(NotifyCollectionChangedEventArgs e)
   在 System.Windows.FreezableCollection`1.OnCollectionChanged(NotifyCollectionChangedAction action, Int32 oldIndex, T oldValue, Int32 newIndex, T newValue)
   在 System.Windows.FreezableCollection`1.AddHelper(T value)
   在 MS.Internal.Xaml.Runtime.ClrObjectRuntime.Add(Object collection, XamlType collectionType, Object value, XamlType valueXamlType)
   在 System.Xaml.XamlObjectWriter.Logic_DoAssignmentToParentCollection(ObjectWriterContext ctx)
   在 System.Xaml.XamlObjectWriter.WriteEndObject()
   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.Interop.HwndSource.Process_WM_SIZE(UIElement rootUIElement, IntPtr hwnd, WindowMessage msg, IntPtr wParam, IntPtr lParam)
   在 System.Windows.Interop.HwndSource.LayoutFilterMessage(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   在 MS.Win32.HwndWrapper.WndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   在 MS.Win32.HwndSubclass.DispatcherCallbackOperation(Object o)
   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)