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Editorial Team
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Asked: 2026-06-05T07:57:19+00:00

I have GUI application created in QT. It has some buttons and a label.

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I have GUI application created in QT. It has some buttons and a label.
The program gets images from a video file sequentially in a while loop and show them on a label by refreshing it. At start up, the buttons work properly but when I click play button and start video display, the other buttons cant be clicked, and if I insist of clicking them, program doesn’t respond and stops working. I couldn’t figure it out even though I’ve thought a lot on it. I don’t think code is needed to show for this problem but if you request, I can post the related part of it

Thanks in advance.

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1 Answer

  1. Editorial Team

    If you are using Repaint method, instead of using repaint method you can just use

            QCoreApplication::processEvents();

    It must solve your problem.

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