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Linux and Winforms (jlai.lu)

submitted 7 months ago* (last edited 7 months ago) by nope@jlai.lu to c/programming@programming.dev

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Hi Lemmings, I wondered if anyone had successfully created a C# project that uses winforms on linux.
I just can't figure out how to do it.
I use Arch and have full dotnet 6 and 8 packages; but I can't dotnet new winforms as the template seems to not exist.
I also have installed mono and monodevelop installed, but even the simplest solution (Console App) can't load correctly (currently I have /usr/share/dotnet/sdk/8.0.102/Sdks/Microsoft.NET.Sdk/targets/Microsoft.NET.Sdk.DefaultItems.Shared.targets(152,5) : error MSB4062: The "CheckForImplicitPackageReferenceOverrides" task could not be loaded from the assembly /usr/share/dotnet/sdk/8.0.102/Sdks/Microsoft.NET.Sdk/targets/../tools/net472/Microsoft.NET.Build.Tasks.dll. Invalid Image Confirm that the <UsingTask> declaration is correct, that the assembly and all its dependencies are available, and that the task contains a public class that implements Microsoft.Build.Framework.ITask. but there were different similar errors before, these errors.
I don't really want to boot up a VM every time I have to code on that project, but I'm starting to feel desperate about this.

TLDR: How does one create and work on a WinForms C# project with linux ? Any suggestions are welcome

Some clarifications for future readers :

It is for a school group project; winforms in imposed, which sadly won't let me go with Avalonia

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[–] eveninghere@beehaw.org 1 points 7 months ago* (last edited 7 months ago) (4 children)

That syllabus likely assumes Windows. C# on non-Windows is not impossible, but it's going to require effort infeasible for school projects like that one. As you're facing it, C#'s packages were originally not meant to be used cross-platform, and god only knows the amount of problems that lie ahead. That clearly didn't occur to the teacher's head while they designed the course.

[–] douglasg14b@programming.dev 3 points 7 months ago (3 children)

C# on non-Windows is not impossible, but it's going to require effort infeasible for school projects like that one.

You mean winforms (The windows specific UI) on non-Windows? Otherwise this is incredibly misleading, and plain wrong.

C# in non windows is the norm, the default even, these days. I build, compile, and run, my C# applications in linux , and have been for the last 5+ years.

[–] eveninghere@beehaw.org -1 points 7 months ago* (last edited 7 months ago) (2 children)

Not talking about winforms in that quoted part. I thought that was obvious.

I don't buy the second paragraph, especially as the phrasing is so loose it can mean anything.

Edit: overall I think this will result in a typical internet conversation that turns into "lmao that's the weakest argument I've ever seen!" "you're so pathetic!" etc. etc.

[–] Lucky@programming.dev 3 points 7 months ago (1 children)

Dotnet core (now just dotnet) was a full rebuild of the framework specifically for cross platform support so they could get more enterprise cloud hosting on azure, running everything on Linux

Modern C# is built for first class Linux support for everything except UI

[–] eveninghere@beehaw.org 0 points 7 months ago* (last edited 7 months ago)

Nope. There are nuggets that lack ARM binaries, for example. And I've had enough troubles on macOS therefore.