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Asked: 2026-05-10T19:20:01+00:00

I need to present a wizard once, the first time my windows forms application

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I need to present a wizard once, the first time my windows forms application is run after install. I could use a user setting like firstrun = false I suppose. But I also need handle the case where the program is uninstalled, then reinstalled. How will that user setting be reset? It’s already present in the config file in …\Users–user–\AppData\Roaming… for that user. I need the wizard to run after any reinstalls so I need to reset that setting. Do I need to do this with a custom installer action?

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  1. It’s probably best to have your installer create the FirstRun key in the registry and set it to true (or 1 or whatever), and make sure your uninstaller deletes this key entirely. Then just have your application read this key when it starts, and set it to false (or 0 or whatever).

    If the user uninstalls and then reinstalls your application, they’ll see the wizard again the first time they run it.

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