If you are on Windows then you can use WinAPI PostMessage() call to post a message to the other application to raise/lower its window. For that you can either use WinAPI calls or QWidget::raise(), QWidget::lower() if they are both Qt apps.
If you are on Windows then you can use WinAPI PostMessage() call to post a message to the other application to raise/lower its window. For that you can either use WinAPI calls or QWidget::raise(), QWidget::lower() if they are both Qt apps.
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