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Why are some unused function names not greyed out
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(179.20000000000002, 61%, 27%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EBR%3C/text%3E%3C/svg%3E)
Boris Rusinov
20
Reputation points
So, while most unused/unreferenced functions in the codebase I'm working with have their names greyed out when the function isn't being used anywhere, there'd be the odd one here and there in the same source file with 0 references yet without being greyed out.
I tried building and rebuilding the solution.
I tried a more thorough "Find All References" type search through the codebase via Edit -> Find and Replace -> Find in Files and saw that one of those functions was referenced in two small chunks of commented out code but removing those didn't really fix the issue.
Tried Analyze -> Run Code Analysis (pick one of the two conventions, btw) -> On Solution but that didn't work either.
Anyone got any idea what's going on here? I've attached pictures of the unused functions with greyed out names and of the unused function that hasn't had its name greyed out like it should. And that's making the current refactoring cleanup I have to do of part of the codebase a smidgen harder than it needs to be.
Developer technologies | Visual Studio | Other
Developer technologies | C#
11,578 questions
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![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(140.8, 78%, 23%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ETS%3C/text%3E%3C/svg%3E)
Tianyu Sun-MSFT 34,441 Reputation points Microsoft External Staff2024-06-13T08:11:37.9933333+00:00 Hi @Boris Rusinov,
Welcome to Microsoft Q&A forum.
Which version of Visual Studio are you using? Are you using the latest version(17.10.2) of VS 2022?
I tested on my side, the unused method not greyed out, but didn’t see the greyed out scenario.
Not sure if this issue appears in specific situation, is it reproducible in a newly created project on your side? If so, could you share us the code snippets and steps to reproduce it?
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Boris Rusinov 20 Reputation points
2024-06-13T10:56:04.0733333+00:00 Heya @Tianyu Sun-MSFT , thank you for the welcome
The version I'm using is 17.8.6 of VS 2022
I'm pretty sure the cause of the "issue" is the internal keyword like Koz mentioned below. I figured that out myself a bit after I'd posted the question after swapping out internal for private
After I had a talk with the guy mentoring me at work, I kinda understand why it was made so that internal functions won't be greyed out no matter what (even if they don't seem to be referenced anywhere in the current solution) but I think it should still be an optional thing we can toggle on and off or something.
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![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(6.4, 79%, 10%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EK0%3C/text%3E%3C/svg%3E)
KOZ6.0 6,735 Reputation points2024-06-12T15:31:46.88+00:00 -
Boris Rusinov 20 Reputation points
2024-06-13T10:58:02.5166667+00:00 Yeah, even if I think it should be something we can toggle or whatever, I figured out it was the internal keyword thing that was making the name not be greyed out a bit after I posted the question
Cheers man
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