KeyTipServices Bug

2 posts, 0 answers
  1. deepak
    deepak avatar
    25 posts
    Member since:
    Jan 2011

    Posted 06 Mar 2012 Link to this post

    application crashes on pressing the access key for ribbontab with following error.
    System.NullReferenceException was unhandled
      Message=Object reference not set to an instance of an object.
      Source=Telerik.Windows.Controls.RibbonView
      StackTrace:
           at Telerik.Windows.Controls.RibbonView.KeyTipService.ShowVisualChildrenTips(UIElement element)
           at Telerik.Windows.Controls.RibbonView.KeyTipService.ShowVisualChildrenTips(UIElement element)
           at Telerik.Windows.Controls.RibbonView.KeyTipService.ShowVisualChildrenTips(UIElement element)
           at Telerik.Windows.Controls.RibbonView.KeyTipService.ShowVisualChildrenTips(UIElement element)
           at Telerik.Windows.Controls.RibbonView.KeyTipService.ShowVisualChildrenTips(UIElement element)
           at Telerik.Windows.Controls.RibbonView.KeyTipService.ShowVisualChildrenTips(UIElement element)
           at Telerik.Windows.Controls.RibbonView.KeyTipService.ShowVisualChildrenTips(UIElement element)
           at Telerik.Windows.Controls.RibbonView.KeyTipService.<>c__DisplayClass16.<ShowTips>b__8()
           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.DispatcherOperation.InvokeImpl()
           at System.Threading.ExecutionContext.runTryCode(Object userData)
           at System.Runtime.CompilerServices.RuntimeHelpers.ExecuteCodeWithGuaranteedCleanup(TryCode code, CleanupCode backoutCode, Object userData)
           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.Windows.Threading.DispatcherOperation.Invoke()
           at System.Windows.Threading.Dispatcher.ProcessQueue()
           at System.Windows.Threading.Dispatcher.WndProcHook(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()
         
  2. Miro Miroslavov
    Admin
    Miro Miroslavov avatar
    588 posts

    Posted 07 Mar 2012 Link to this post

    Hello deepak,

     Can you give us more details on how you reproduce this issue?
    Thank you.

    All the best,
    Miro Miroslavov
    the Telerik team
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