[Newbie] Tkinter Question

Christian Gollwitzer auriocus at gmx.de
Tue Feb 23 17:37:20 EST 2016


Am 23.02.16 um 23:19 schrieb Wildman:
> I am familiar with OO programming but I am new to Python
> and Tkinter.  I am working on a gui program that creates
> a couple of temporary files.  As part of the Exit button
> command they are deleted.  If the program is shut down
> using the window close button [X], the exit button code
> is not executed and the temporary files are left behind.
> That is a serious no-no.
>
> Is there a way to capture close button click to prevent
> the program from closing and instead execute a command?

It's done using the WM_DELETE_WINDOW protocol:

http://stackoverflow.com/questions/111155/how-do-i-handle-the-window-close-event-in-tkinter

Your program could still be killed by another way, e.g. from the task 
manager, which would leave the files behind.

	Christian


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