Error when displaying ScheduleView

[Rod Yager]

This happens in version 2010.3.1314.40

It happens in every view EXCEPT the timeline view.

Scenario:
Override the default double click behavior of an Appointment and navigate to some other screen. That equates to overlaying another UIElement over the top of the scheduleview and then removing it to expose the scheduleview again. That's when the error occurs.


Value cannot be null.

Parameter name: ancestor

Details: 

  

System.ArgumentNullException: Value cannot be null.

Parameter name: ancestor

   at System.Windows.Media.Visual.TransformToAncestor(Visual ancestor)

   at Telerik.Windows.Controls.ScheduleViewBase.FindDistanceBetweenTwoElements(FrameworkElement element1, FrameworkElement element2)

   at Telerik.Windows.Controls.ScheduleViewBase.CreateDragCueForItem(AppointmentItem item)

   at System.Linq.Enumerable.WhereSelectEnumerableIterator`2.MoveNext()

   at Telerik.Windows.Controls.CollectionExtensions.AddRange(IList list, IEnumerable items)

   at Telerik.Windows.Controls.DragDropHelper.CreateVisualCueForDrag(DragDropState state, AppointmentItem clickedItem)

   at Telerik.Windows.Controls.DragDropHelper.SetupDragCueForDrag(DragDropOptions options, DragDropState state, AppointmentItem draggedAppointment)

   at Telerik.Windows.Controls.DragDropHelper.StartDrag(DragDropOptions options, DragDropState state, AppointmentItem draggedAppointment)

   at Telerik.Windows.Controls.DragDropHelper.BeginDragResize(DragDropOptions options, AppointmentItem draggedAppointment, Boolean isResizing)

   at Telerik.Windows.Controls.DragDropHelper.OnAppointmentItemDragQuery(Object sender, DragDropQueryEventArgs e)

   at Telerik.Windows.Controls.DragDrop.DragDropQueryEventArgs.InvokeEventHandler(Delegate genericHandler, Object genericTarget)

   at System.Windows.RoutedEventArgs.InvokeHandler(Delegate handler, Object target)

   at System.Windows.EventRoute.InvokeHandlersImpl(Object source, RoutedEventArgs args, Boolean reRaised)

   at System.Windows.UIElement.RaiseEventImpl(DependencyObject sender, RoutedEventArgs args)

   at Telerik.Windows.Controls.DragDrop.RadDragAndDropManager.DragDropProvider_DragQuery(Object sender, DragDropQueryEventArgs e)

   at Telerik.Windows.Controls.DragDrop.DragDropProviderBase.RaiseDragQuery()

   at Telerik.Windows.Controls.DragDrop.WPFSimulatedDragDropProvider.TryStartDrag(IMouseEventArgs e)

   at Telerik.Windows.Controls.DragDrop.SimulatedDragDropProvider.OnTrackedElementMouseMoveInternal(IMouseEventArgs e)

   at Telerik.Windows.Controls.DragDrop.SimulatedDragDropProvider.OnCoverRectangleMouseMoveInternal(IMouseEventArgs e)

   at Telerik.Windows.Controls.DragDrop.WPFSimulatedDragDropProvider.OnCoverRectangleMouseMove(Object sender, MouseEventArgs e)

   at System.Windows.RoutedEventArgs.InvokeHandler(Delegate handler, Object target)

   at System.Windows.EventRoute.InvokeHandlersImpl(Object source, RoutedEventArgs args, Boolean reRaised)

   at System.Windows.UIElement.RaiseEventImpl(DependencyObject sender, RoutedEventArgs args)

   at System.Windows.ContentElement.RaiseTrustedEvent(RoutedEventArgs args)

   at System.Windows.Input.InputManager.ProcessStagingArea()

   at System.Windows.Input.MouseDevice.Synchronize()

   at System.Windows.Input.MouseDevice.ChangeMouseCapture(IInputElement mouseCapture, IMouseInputProvider providerCapture, CaptureMode captureMode, Int32 timestamp)

   at System.Windows.Input.MouseDevice.Capture(IInputElement element, CaptureMode captureMode)

   at System.Windows.Input.Mouse.Capture(IInputElement element)

   at System.Windows.Documents.Hyperlink.OnMouseLeftButtonDown(Object sender, MouseButtonEventArgs e)

   at System.Windows.RoutedEventArgs.InvokeHandler(Delegate handler, Object target)

   at System.Windows.EventRoute.InvokeHandlersImpl(Object source, RoutedEventArgs args, Boolean reRaised)

   at System.Windows.UIElement.ReRaiseEventAs(DependencyObject sender, RoutedEventArgs args, RoutedEvent newEvent)

   at System.Windows.RoutedEventArgs.InvokeHandler(Delegate handler, Object target)

   at System.Windows.EventRoute.InvokeHandlersImpl(Object source, RoutedEventArgs args, Boolean reRaised)

   at System.Windows.UIElement.RaiseEventImpl(DependencyObject sender, RoutedEventArgs args)

   at System.Windows.ContentElement.RaiseTrustedEvent(RoutedEventArgs args)

   at System.Windows.Input.InputManager.ProcessStagingArea()

   at System.Windows.Input.InputProviderSite.ReportInput(InputReport inputReport)

   at System.Windows.Interop.HwndMouseInputProvider.ReportInput(IntPtr hwnd, InputMode mode, Int32 timestamp, RawMouseActions actions, Int32 x, Int32 y, Int32 wheel)

   at System.Windows.Interop.HwndMouseInputProvider.FilterMessage(IntPtr hwnd, WindowMessage msg, IntPtr wParam, IntPtr lParam, Boolean& handled)

   at System.Windows.Interop.HwndSource.InputFilterMessage(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)

   at MS.Win32.HwndWrapper.WndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)

   at MS.Win32.HwndSubclass.DispatcherCallbackOperation(Object o)

   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)

   at MS.Internal.Threading.ExceptionFilterHelper.TryCatchWhen(Object source, Delegate method, Object args, Int32 numArgs, Delegate catchHandler)

   at System.Windows.Threading.Dispatcher.WrappedInvoke(Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)

   at System.Windows.Threading.Dispatcher.InvokeImpl(DispatcherPriority priority, TimeSpan timeout, Delegate method, Object args, Int32 numArgs)

   at MS.Win32.HwndSubclass.SubclassWndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam)

   at MS.Win32.UnsafeNativeMethods.DispatchMessage(MSG& msg)

   at System.Windows.Threading.Dispatcher.PushFrameImpl(DispatcherFrame frame)

   at System.Windows.Application.RunInternal(Window window)

   at System.Windows.Application.Run()

   at Metrix.UI.App.Main() in C:\Users\rodneyy\Documents\Visual Studio 2010\Projects\M530\Client\Metrix.UI\obj\Debug\App.g.cs:line 0

   at System.AppDomain._nExecuteAssembly(RuntimeAssembly assembly, String[] args)

   at System.Runtime.Hosting.ApplicationActivator.CreateInstance(ActivationContext activationContext, String[] activationCustomData)

   at Microsoft.VisualStudio.HostingProcess.HostProc.RunUsersAssemblyDebugInZone()

   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean ignoreSyncCtx)

   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)

   at System.Threading.ThreadHelper.ThreadStart()

[George]

Hi Rod,

I will paste my answer here:

We are not aware of such problem with RadScheduleView control. We will greatly appreciate a sample project of yours. It will definitely help us in further pinpointing and resolving the problem. Can you attach the sample project to this thread? 

 

Greetings,
George
the Telerik team