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Bug Report T899575
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TdxTabbedMDImanager - The "List index out of bounds" exception occurs on pressing the Close button of an MDI child form's tab while the button's hint is visible

created 5 years ago (modified 5 years ago)

Hello,

recently I saw a couple of times a "List index out of bounds" exception when closing a child window by clicking on X of a Tab.
In this situation there were still one or two other tabs open. I will try to reproduce this behavior but that can be pretty problematic.
At least here is the stack trace of the exception from Eurekalog:

2.5 Type : EListError
2.6 Message : List index out of bounds (1).
2.7 ID : 44C6E2BE

Operating System:

6.1 Type : Microsoft Windows 10 (64 bit)
6.2 Build # : 1903 (10.0.18362.30)
6.3 Update :
6.4 Language: English (0409)
6.5 Charset : 0/1252

For call stack see the attached Eurekalog file/

Show previous comments (2)
DevExpress Support Team 5 years ago

    OK, we are waiting for your response.

    TD TD
    Thomas Degen 5 years ago

      I implemented that patch and as of now I was unable to produce this exception again.
      It seems like that patch solved the problem.

      DevExpress Support Team 5 years ago

        Thank you for the clarification. We will discuss this with our developers.

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        Answers approved by DevExpress Support

        created 5 years ago

        We have addressed the issue described in this ticket and will include a fix in our next maintenance update. To apply this solution before official release, request a hotfix by clicking the appropriate version link.

        Note: Hotfixes may be unavailable for betas/updates set for release within a week.

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