C# - VS2022: "global using" and code cleanup on save

Question

In VS2022 I turned on the very useful feature "Run Code Cleanup profile on Save". With this option on, every unneeded using statement in code gets removed automatically on save.

Now I would like to create a .cs file that contains a bounch of global using statements and nothing else. I think that having them in a separate, dedicated file helps keeping project clean.

However, since these global using statements are not used in the .cs file itself, they get removed every time I save the file.

Is there a way to skip cleanup in some circumstances? For example:

For a specific file
For global using statements
When I save with a given keyboard/mouse shortcut (ex. by holding SHIFT or similar when clicking Save)

The first two options would be better because would work also if I run cleanup on the entire project.

UPDATE

I found out that this happens only in NET (8?) projects. global using directives in a NET Framework 4.6.2 project are not removed by code cleanup.

Thank you

Guru Stron · Accepted Answer · 2024-02-07 14:50:13Z

1

There are at least two options I see:

Exclude the file with global usings from cleanup in editor config. Add the following line to it (for example for file in the project root with name GlobalUsings.cs):
```
[GlobalUsings.cs]
generated_code = true
```
Docs for the feature, available starting with Visual Studio 2019 16.5.
Move the global usings to the csproj file (showing example for System.Globalization namespace):
```
<ItemGroup>
    <Using Include="System.Globalization"/>
</ItemGroup>
```

edited Feb 7, 2024 at 14:50

answered Feb 7, 2024 at 14:43

Guru Stron

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2 Comments

Disti Over a year ago

Great! I excluded my file from cleanup. Thank you!

Disti Over a year ago

UPDATE: I found out that this happens only in NET project. global using directives in a NET Framework 4.6.2 project are not removed by code cleanup.

Jiachen Li-MSFT · Accepted Answer · 2024-02-07 14:34:27Z

0

You can consider configuring the cleanup actions you need to perform in the Code cleanup settings, such as Remove unnecessary Imports or usings.

You can also write your own code-style rule options and add in into your code cleanup configuration.

edited Feb 7, 2024 at 14:34

answered Feb 7, 2024 at 14:26

Jiachen Li-MSFT

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