Hi!
I am stuck. I want the program to save certain data and clear some files at exit. I know how to do that using a PushButton (save data, delete files, exit). But I have no idea how to do that if a user presses X button in the top right corner of the window (Windows, but I think other OS have similar GUI).
Can somebody please at least point me in the right direction?
TNX,
Luka
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