InvalidOperationException 在 PropertyTools.Wpf.TreeListBox.InsertItem(Int32 index, Object item, Object parent) 在 PropertyTools.Wpf.TreeListBox.InsertItems(Object parent, IList newItems, Int32 newStartingIndex) 在 PropertyTools.Wpf.TreeListBox.Expand(Object item) 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 PropertyTools.Wpf.TreeListBoxItem.<get_ToggleExpandCommand>b__6_0() 在 System.Windows.Input.CommandManager.TranslateInput(IInputElement targetElement, InputEventArgs inputEventArgs) 在 System.Windows.UIElement.OnMouseDownThunk(Object sender, MouseButtonEventArgs e) 在 System.Windows.RoutedEventArgs.InvokeHandler(Delegate handler, Object target) 在 System.Windows.RoutedEventHandlerInfo.InvokeHandler(Object target, RoutedEventArgs routedEventArgs) 在 System.Windows.EventRoute.InvokeHandlersImpl(Object source, RoutedEventArgs args, Boolean reRaised) 在 System.Windows.UIElement.RaiseEventImpl(DependencyObject sender, RoutedEventArgs args) 在 System.Windows.UIElement.RaiseTrustedEvent(RoutedEventArgs args) 在 System.Windows.Input.InputManager.ProcessStagingArea() 在 System.Windows.Input.InputManager.ProcessInput(InputEventArgs input) 在 System.Windows.Input.InputProviderSite.ReportInput(InputReport inputReport) 在 System.Windows.Interop.HwndMouseInputProvider.ReportInput(IntPtr hwnd, InputMode mode, Int32 timestamp, RawMouseActions actions, Int32 x, Int32 y, Int32 wheel) 在 System.Windows.Interop.HwndMouseInputProvider.FilterMessage(IntPtr hwnd, WindowMessage msg, IntPtr wParam, IntPtr lParam, Boolean& handled) 在 System.Windows.Interop.HwndSource.InputFilterMessage(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)