Visual Studio 2020 - why can't I add second Windows Form to my Windows From project?

John Jarvinen 21 Reputation points
2022-04-30T01:13:46.387+00:00

Using this as a guideline (https://learn.microsoft.com/en-us/dotnet/desktop/winforms/forms/how-to-add?view=netdesktop-6.0) I attempted to add a new form to my windows form project but am having some difficulty.

First I click on 'Add Windows Form:
197844-image.png

but when I click on 'Windows Form' I get the message "no items found for search term". Any advice here? Thanks.
197911-image.png

Windows Forms
Windows Forms
A set of .NET Framework managed libraries for developing graphical user interfaces.
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Visual Studio
Visual Studio
A family of Microsoft suites of integrated development tools for building applications for Windows, the web and mobile devices.
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Accepted answer
  1. Tianyu Sun-MSFT 29,186 Reputation points Microsoft Vendor
    2022-05-02T07:43:53.21+00:00

    Hi @John Jarvinen ,

    Welcome to Microsoft Q&A forum.

    Please first check if the form.cs item template is stored in C:\Program Files\Microsoft Visual Studio\2022\Community\Common7\IDE\ItemTemplates\CSharp\Windows Forms\1033\Form. And then try to repair VS from VS Installer > More > Repair.

    Not sure if some files were corrupted when you were installing VS 2022. If repairing VS doesn’t work, I suggest you try to reinstall VS 2022.

    Best Regards,
    Tianyu

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3 additional answers

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  1. John Jarvinen 21 Reputation points
    2022-05-01T21:09:29.757+00:00

    Some additional info:

    Microsoft Visual Studio Community 2022 (64-bit) - Current Version
    Version 17.1.6

    I'm able to load old projects with multiple Forms, and create new projects with one Form.
    No special addons, libraries, etc.

    Just can't find a way to get 'Add Form' to work to a current project.

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  2. John Jarvinen 21 Reputation points
    2022-05-02T00:43:20.807+00:00

    I was able to create my own Form programatically: Form prompt = new Form();

    That leads to a couple of questions:

    1. Why can't I use 'Add Form' to add a Form to my existing project?
    2. Is there a way to create a designer view for the form I create at run time? Doesn't seem likely, does it, as it only exists after I run the program.
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  3. John Jarvinen 21 Reputation points
    2022-05-03T17:03:29.203+00:00

    Thank you for your help.

    The repair did not work. However, I completely uninstalled Visual Studio 2022 and reinstalled it, selecting only ".net desktop development". In previous installs, I had selected other options (such as Python, ASP, etc); don't really know if that had any effect.

    But the new install (v17.1.6) now gives me the option to Add Form.

    Again... thanks for your help.

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