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Can I have Tk events handled while waiting for I/O?

April 26, 2017events handled tk waiting

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Can I have Tk events handled while waiting for I/O?

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Yes, and you don’t even need threads! But you’ll have to restructure your I/O code a bit. Tk has the equivalent of Xt’s XtAddInput() call, which allows you to register a callback function which will be called from the Tk mainloop when I/O is possible on a file descriptor.