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BinaryFormatter error when clicking "Add Tab" command for TabControl in DemoConsole application #11607

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Philip-Wang01 opened this issue Jun 28, 2024 · 2 comments · May be fixed by #11614
Open

BinaryFormatter error when clicking "Add Tab" command for TabControl in DemoConsole application #11607

Philip-Wang01 opened this issue Jun 28, 2024 · 2 comments · May be fixed by #11614
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area-Serialization-BinaryFormatter 💥 regression-preview Regression from a preview release untriaged The team needs to look at this issue in the next triage

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@Philip-Wang01
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.NET version

.NET 9.0: Main branch of WinForms repo (.NET 9.0.0-preview.7.24326.3)

Did it work in .NET Framework?

Yes

Did it work in any of the earlier releases of .NET Core or .NET 5+?

Yes, this is a regression issue. Not repro on .NET 9.0.0-preview.6.24305.2

Issue description

In DemoConsole test app of Winforms repo, BinaryFormatter error when clicking "Add Tab" command for TabControl.

image

testaddtab.mp4

Steps to reproduce

Test sample: DemoConsole in Winforms repo

More Info:

This issue also reproduces on ImageList when clicking the "Add" command.
image
@Philip-Wang01 Philip-Wang01 added 💥 regression-preview Regression from a preview release untriaged The team needs to look at this issue in the next triage area-Serialization-BinaryFormatter labels Jun 28, 2024
@elachlan
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Related to #9428 and #6267

We had similar issues when BinaryFormatter was marked as obsolete #9416

@elachlan elachlan linked a pull request Jun 30, 2024 that will close this issue
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@LeafShi1
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LeafShi1 commented Jul 3, 2024

This issue appears after PR #11540

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area-Serialization-BinaryFormatter 💥 regression-preview Regression from a preview release untriaged The team needs to look at this issue in the next triage
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Attempt to use BinaryFormattedObject/BinaryFormatWriter before BinaryFormatter elachlan/winforms
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@elachlan @Philip-Wang01 @LeafShi1