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we have a tool that was written in C++ CLR where its forms where also written as a Winform in C++ CLR, we plan to upgrade it to .NET 8 but it seems there is a pretty huge shift between .net framework and .NET 8 and/or future versions like 9.So I am assuming that the way to do this will be pretty tedious. so here are my questions

  1. in the unified .NET version (5 or higher), I assume the only way to create winforms is thru C# and there is no longer support for C++ CLR winforms?

  2. I read from somewhere (or even from the compile logs) that I need to build my C++ CLR to DLL to make it work and create a C# project that uses that DLL, I assume the winforms cannot be used now right?

  3. does that mean that I need to recareate the forms, dialogs and controls form my C++ CLR projects in C# and they cannot be reused?

I have tried changing the exe (Application) project from .Net framework v4.8 to .NET 7 and i got bunch of errors, and also a suggestion from logs that says build it as a DLL,

So I guess there is no other way but to redo it, Is there any other way or is it the only way and I cant use my forms, dialogs and user control anymore?

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  • Support for creating Winforms apps in C++/CLI was removed 12 years ago. It didn't get better. Commented Jun 26, 2024 at 8:13
  • Can't see why it wouldn't work direct from C++/CLI, even if it's unsupported, you just need to add the relevant Nuget. You might have difficulty with the designers etc. Commented Jun 26, 2024 at 9:45
  • learn.microsoft.com/dotnet/core/porting/cpp-cli Have been there for a few years now. If you read something different from elsewhere, verify if enough evidence is presented. Commented Jun 26, 2024 at 14:50
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