Setting a file's date Xojo example

[Scott_C]

I think you may be referring to this relatively recent post:

2025 Year of Code April: User Interface

8 years ago I wrote a small app to change the file date of a few files. It was for Intel CPU only, used a plugin for date and time input and couldn’t do dark mode. But it served its purpose and so it remained unchanged until now. On the occasion of Year of Code it was time to rewrite it. The UI still looks almost the same, but now also supports DarkMode, doesn’t need a plugin anymore and is ARM CPU compatible. A new function via a contextual menu has been added to take over the date from Create…

Which includes a link to @Wolfgang_Schwarz’s repo https://github.com/woschwarz/File-Date-Changer