Programmatically add file association without admin rights in C #

Question

Other people have asked similar questions, but I want to clarify. I want to create my application without requiring administrative rights during installation. For file associations, I understand what I need to write in the registry, but so far I have found two different places in stackoverflow articles:

HKEY_CURRENT_USER\Software\Classes

and the other under

HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts

So which one is correct?

Answer 1

You must use the first ( HKCU\Software\Classes), because what Windows uses to open files.

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Answer 2

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