Personally, I'd have a button on the display "Swipe card" and only enter the read loop when the button was pushed.

Alternatively, put the swiper loop in a thread.

With the rise and rise of 'Social' network sites: 'Computers are making people easier to use everyday'
Examine what is said, not who speaks -- Silence betokens consent -- Love the truth but pardon error.
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In reply to Re: Win32 GUI Input or Event by BrowserUk
in thread Win32 GUI Input or Event by perldiverx

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