Обновление протестировано.
Найдена одна ошибка - отваливается планировщик с сообщением {"The 'value' argument is not of the correct type."}.
Принт-скрин: 
http://yadi.sk/d/u4PIhvYHLdnbQ
Стек-трейс:
   в Xceed.Wpf.Toolkit.Converters.NewItemTypesComboBoxConverter.Convert(Object[] values, Type targetType, Object parameter, CultureInfo culture)
   в System.Windows.Data.MultiBindingExpression.TransferValue()
   в System.Windows.Data.MultiBindingExpression.Transfer()
   в System.Windows.Data.MultiBindingExpression.HandlePropertyInvalidation(DependencyObject d, DependencyPropertyChangedEventArgs args)
   в System.Windows.Data.BindingExpressionBase.OnPropertyInvalidation(DependencyObject d, DependencyPropertyChangedEventArgs args)
   в System.Windows.DependentList.InvalidateDependents(DependencyObject source, DependencyPropertyChangedEventArgs sourceArgs)
   в System.Windows.DependencyObject.NotifyPropertyChange(DependencyPropertyChangedEventArgs args)
   в System.Windows.DependencyObject.UpdateEffectiveValue(EntryIndex entryIndex, DependencyProperty dp, PropertyMetadata metadata, EffectiveValueEntry oldEntry, EffectiveValueEntry& newEntry, Boolean coerceWithDeferredReference, Boolean coerceWithCurrentValue, OperationType operationType)
   в System.Windows.DependencyObject.InvalidateProperty(DependencyProperty dp, Boolean preserveCurrentValue)
   в System.Windows.Data.BindingExpressionBase.Invalidate(Boolean isASubPropertyChange)
   в System.Windows.Data.BindingExpression.TransferValue(Object newValue, Boolean isASubPropertyChange)
   в System.Windows.Data.BindingExpression.Activate(Object item)
   в System.Windows.Data.BindingExpression.AttachToContext(AttachAttempt attempt)
   в System.Windows.Data.BindingExpression.MS.Internal.Data.IDataBindEngineClient.AttachToContext(Boolean lastChance)
   в MS.Internal.Data.DataBindEngine.Task.Run(Boolean lastChance)
   в MS.Internal.Data.DataBindEngine.Run(Object arg)
   в MS.Internal.Data.DataBindEngine.OnLayoutUpdated(Object sender, EventArgs e)
   в System.Windows.ContextLayoutManager.fireLayoutUpdateEvent()
   в System.Windows.ContextLayoutManager.UpdateLayout()
   в System.Windows.UIElement.UpdateLayout()
   в System.Windows.Interop.HwndSource.SetLayoutSize()
   в System.Windows.Interop.HwndSource.set_RootVisualInternal(Visual value)
   в System.Windows.Interop.HwndSource.set_RootVisual(Visual value)
   в System.Windows.Window.SetRootVisual()
   в System.Windows.Window.SetRootVisualAndUpdateSTC()
   в System.Windows.Window.SetupInitialState(Double requestedTop, Double requestedLeft, Double requestedWidth, Double requestedHeight)
   в System.Windows.Window.CreateSourceWindow(Boolean duringShow)
   в System.Windows.Window.CreateSourceWindowDuringShow()
   в System.Windows.Window.SafeCreateWindowDuringShow()
   в System.Windows.Window.ShowHelper(Object booleanBox)
   в System.Windows.Window.Show()
   в System.Windows.Window.ShowDialog()
   в Robot.ScheduleEditor.Button_Click(Object sender, RoutedEventArgs e) в c:\Users\lsa\Documents\StockSharp\TFS\Shell\StockSharp Shell\Shell\Xaml\ScheduleEditor.xaml.cs:строка 47
   в System.Windows.RoutedEventHandlerInfo.InvokeHandler(Object target, RoutedEventArgs routedEventArgs)
   в System.Windows.EventRoute.InvokeHandlersImpl(Object source, RoutedEventArgs args, Boolean reRaised)
   в System.Windows.UIElement.RaiseEventImpl(DependencyObject sender, RoutedEventArgs args)
   в System.Windows.UIElement.RaiseEvent(RoutedEventArgs e)
   в System.Windows.Controls.Primitives.ButtonBase.OnClick()
   в System.Windows.Controls.Button.OnClick()
   в System.Windows.Controls.Primitives.ButtonBase.OnMouseLeftButtonUp(MouseButtonEventArgs e)
   в System.Windows.UIElement.OnMouseLeftButtonUpThunk(Object sender, MouseButtonEventArgs e)
   в System.Windows.Input.MouseButtonEventArgs.InvokeEventHandler(Delegate genericHandler, Object genericTarget)
   в System.Windows.RoutedEventArgs.InvokeHandler(Delegate handler, Object target)
   в System.Windows.RoutedEventHandlerInfo.InvokeHandler(Object target, RoutedEventArgs routedEventArgs)
   в System.Windows.EventRoute.InvokeHandlersImpl(Object source, RoutedEventArgs args, Boolean reRaised)
   в System.Windows.UIElement.ReRaiseEventAs(DependencyObject sender, RoutedEventArgs args, RoutedEvent newEvent)
   в System.Windows.UIElement.OnMouseUpThunk(Object sender, MouseButtonEventArgs e)
   в System.Windows.Input.MouseButtonEventArgs.InvokeEventHandler(Delegate genericHandler, Object genericTarget)
   в System.Windows.RoutedEventArgs.InvokeHandler(Delegate handler, Object target)
   в System.Windows.RoutedEventHandlerInfo.InvokeHandler(Object target, RoutedEventArgs routedEventArgs)
   в System.Windows.EventRoute.InvokeHandlersImpl(Object source, RoutedEventArgs args, Boolean reRaised)
   в System.Windows.UIElement.RaiseEventImpl(DependencyObject sender, RoutedEventArgs args)
   в System.Windows.UIElement.RaiseTrustedEvent(RoutedEventArgs args)
   в System.Windows.UIElement.RaiseEvent(RoutedEventArgs args, Boolean trusted)
   в System.Windows.Input.InputManager.ProcessStagingArea()
   в System.Windows.Input.InputManager.ProcessInput(InputEventArgs input)
   в System.Windows.Input.InputProviderSite.ReportInput(InputReport inputReport)
   в System.Windows.Interop.HwndMouseInputProvider.ReportInput(IntPtr hwnd, InputMode mode, Int32 timestamp, RawMouseActions actions, Int32 x, Int32 y, Int32 wheel)
   в System.Windows.Interop.HwndMouseInputProvider.FilterMessage(IntPtr hwnd, WindowMessage msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   в System.Windows.Interop.HwndSource.InputFilterMessage(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   в MS.Win32.HwndWrapper.WndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   в MS.Win32.HwndSubclass.DispatcherCallbackOperation(Object o)
   в System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   в MS.Internal.Threading.ExceptionFilterHelper.TryCatchWhen(Object source, Delegate method, Object args, Int32 numArgs, Delegate catchHandler)
   в System.Windows.Threading.Dispatcher.LegacyInvokeImpl(DispatcherPriority priority, TimeSpan timeout, Delegate method, Object args, Int32 numArgs)
   в MS.Win32.HwndSubclass.SubclassWndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam)
   в MS.Win32.UnsafeNativeMethods.DispatchMessage(MSG& msg)
   в System.Windows.Threading.Dispatcher.PushFrameImpl(DispatcherFrame frame)
   в System.Windows.Threading.Dispatcher.PushFrame(DispatcherFrame frame)
   в System.Windows.Threading.Dispatcher.Run()
   в System.Windows.Application.RunDispatcher(Object ignore)
   в System.Windows.Application.RunInternal(Window window)
   в System.Windows.Application.Run(Window window)
   в System.Windows.Application.Run()
   в Robot.App.Main() в c:\Users\lsa\Documents\StockSharp\TFS\Shell\StockSharp Shell\Shell\obj\x86\Debug\App.g.cs:строка 0
   в System.AppDomain._nExecuteAssembly(RuntimeAssembly assembly, String[] args)
   в System.AppDomain.ExecuteAssembly(String assemblyFile, Evidence assemblySecurity, String[] args)
   в Microsoft.VisualStudio.HostingProcess.HostProc.RunUsersAssembly()
   в System.Threading.ThreadHelper.ThreadStart_Context(Object state)
   в System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   в System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   в System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
   в System.Threading.ThreadHelper.ThreadStart()
Воспроизведение ошибки: вызвать редактор планировщика.