Stackoverflow exception | Infragistics Forums

Stackoverflow exception

John posted over 6 years ago

I have a UltraWinSchedule control and it is working without any issue in Windows 7 machines. However in windows 10 machines we are getting stackoverflow exception. In the call stack I found

Infragistics4.Win.UltraWinSchedule.v11.2.dll!Infragistics.Win.UltraWinSchedule.UltraMonthViewSingleBase.MonthViewSingleAccessibleObjectBase.GetFocused() Unknown

This call is in loop.

Can you please point me in the right direction.

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Offline Sylvain posted over 6 years ago +1
Did you ever solved this problem with the latest released? I have the same issue on some Windows 10 machine but not all of them. I have been able to...view reply »
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Offline Alan Halama posted over 6 years ago +1 verified
This is caused by a bug that was fixed in 2013 and it is recommended that you upgrade to 2013 Volume 2 or newer to get the fix.

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Offline Alan Halama posted over 6 years ago in reply to C Smith

I recommend submitting this as a new thread with an example that demonstrates the issue so that we may look into what is happening. Also be sure that you are testing the latest version of the windows forms toolset as the relevant bug fix for this thread was in 2013 which is a few years before Windows Server 2016 was released.
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Offline C Smith posted over 6 years ago in reply to Sylvain

This fix worked on our older Infragistics version for error in certain Windows 10 versions and Windows Server 2016

     Faulting module name: clr.dll, version: 4.7.2650.0, time stamp: 0x5ab1cd09

     Exception code: 0xc00000fd

    Fault offset: 0x0007cfe2

    Faulting process id: 0x49c

    Faulting module path: C:\Windows\Microsoft.NET\Framework\v4.0.30319\clr.dll

But in Windows Server 2016 if you drag the scrollbar with the mouse (up or down) the popup date value moves across the screen.
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Verified Answer
Offline Alan Halama posted over 6 years ago

This is caused by a bug that was fixed in 2013 and it is recommended that you upgrade to 2013 Volume 2 or newer to get the fix.
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Offline Alan Halama posted over 6 years ago in reply to Sylvain

Thank you for the call stack. I reviewed the MonthViewSingleAccessibleObjectBase.GetFocused method and found that we did fix this stack overflow in August of 2013. You are correct that it has to do with accessibility and the specific bug that was logged happened when starting the Narrator. As far as what could be different between the two machines, maybe different accessibility features are being used on the two machines. Maybe the Accessibility Tools for Windows page can help you identify what features might be in use that cause this on one machine and not another.

Your best options are to continue to use the workaround that you already are or upgrade to any volume 2013 Volume 2 or newer.
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Offline Sylvain posted over 6 years ago in reply to Alan Halama

I have this issue only on my PC (running Windows 10), my colleague (also on WIndows 10) has no problems with it. So it seems to be related to some settings in Windows about accessibility but we cannot find it.

The stack trace provided by Visual Studio

System.Windows.Forms.dll!System.Windows.Forms.Control.Focused.get() Unknown Non-user code. Skipped loading symbols.
Infragistics2.Win.UltraWinSchedule.v9.2.dll!Infragistics.Win.UltraWinSchedule.UltraMonthViewSingleBase.MonthViewSingleAccessibleObjectBase.GetFocused() Unknown Non-user code. Skipped loading symbols.
Infragistics2.Win.UltraWinSchedule.v9.2.dll!Infragistics.Win.UltraWinSchedule.UltraMonthViewSingleBase.MonthViewSingleAccessibleObjectBase.GetFocused() Unknown Non-user code. Skipped loading symbols.
Infragistics2.Win.UltraWinSchedule.v9.2.dll!Infragistics.Win.UltraWinSchedule.UltraMonthViewSingleBase.MonthViewSingleAccessibleObjectBase.GetFocused() Unknown Non-user code. Skipped loading symbols.
Infragistics2.Win.UltraWinSchedule.v9.2.dll!Infragistics.Win.UltraWinSchedule.UltraMonthViewSingleBase.MonthViewSingleAccessibleObjectBase.GetFocused() Unknown Non-user code. Skipped loading symbols.

...

Infragistics2.Win.UltraWinSchedule.v9.2.dll!Infragistics.Win.UltraWinSchedule.UltraMonthViewSingleBase.MonthViewSingleAccessibleObjectBase.GetFocused() Unknown Non-user code. Skipped loading symbols.
Infragistics2.Win.UltraWinSchedule.v9.2.dll!Infragistics.Win.UltraWinSchedule.UltraMonthViewSingleBase.MonthViewSingleAccessibleObjectBase.GetFocused() Unknown Non-user code. Skipped loading symbols.
The maximum number of stack frames supported by Visual Studio has been exceeded. Annotated Frame

We are running on v9.2.
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