Rider 2023.2.2 -- Message "Windows Forms Designer is not supported for projects targetting .NET (Core)”

Hello

When I create a Windows Forms App project, I can't use the designer. I always get the message: “Windows Forms Designer is not supported for projects targetting .NET (Core)”
For the record, I'm using Visual Studio 17.7.5 on the same computer.
Thanks for your feedback.

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1 comment

Hello Jean-Louis,

Thank you for contacting Rider support.

Regrettably, Windows Forms designer is not supported for .Net Core in Rider. It is only supported for .Net Framework at the moment. We have the following feature request on our tracker: Support WinForms Designer for .NET Core. We would appreciate it if you could upvote it to demonstrate your interest.

Meanwhile, you might want to try this workaround shared by Maarten in the comments section.

Should you have any other questions or difficulties, please tell me.

Have a nice day!

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