wrong number conversion in structs (regional format related)

[kirsan31]

Environment

Microsoft Visual Studio Community 2022 Version 17.1.6 VisualStudio.17.Release/17.1.6+32421.90 Microsoft .NET Framework Version 4.8.04084

Installed Version: Community

Visual C++ 2022 00482-90000-00000-AA052 Microsoft Visual C++ 2022

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Visual Studio Tools for CMake 1.0 Visual Studio Tools for CMake

.NET version

6.0

Did this work in a previous version of Visual Studio and/or previous .NET release?

It's working in old .net framework designer.

Issue description

Can't edit struct properties (Size, Padding etc.) directly due to wrong values separator. See video from steps to reproduce. This error will appear:

486, 421 is not a valid value for Int32. (Parameter 'value')

New designer value separator is comma:

Old designer value separator is semicolon:

Steps to reproduce

V.S. language is English. Windows language is English. Region and regional format in windows settings - Ru.

https://user-images.githubusercontent.com/17767561/167297112-b7228dc7-6f15-4ff2-b487-e3a995e4561e.mp4

Diagnostics

[15:40:34.4058116] Sending request: TypeConverters/ConvertFrom
[15:40:34.4068120] TypeConverters/ConvertFrom took 00:00:00.0008453.
[15:40:34.4068120] REQUEST FAILURES: TypeConverters/ConvertFrom
                   Microsoft.DotNet.DesignTools.Client.DesignToolsServerException: 486, 421 is not a valid value for Int32. (Parameter 'value') ---> Microsoft.DotNet.DesignTools.Client.DesignToolsServerException: Input string was not in a correct format.
                      --- End of inner exception stack trace ---

[RussKie]

Microsoft Visual Studio Community 2022 Version 17.1.6

I worked on several very similar issues, and those were fixed in 17.2.

May I get you to check the cli args for the DesignToolServer? In the fixed version VS passes the desired locale information to the server process. There were few iterations in this space, but we expect it to be something like:

[John-Qiao]

@RussKie we have filed a designer issue for it, please check https://github.com/dotnet/winforms-designer/issues/4140.

[kirsan31]

May I get you to check the cli args for the DesignToolServer? In the fixed version VS passes the desired locale information to the server process. There were few iterations in this space, but we expect it to be something like:

So, it seems that the problem in something else...

[RussKie]

I think I may have found the problem, investigating a possible fix.

[RussKie]

The fix is expected to be available in 17.3p2.