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Home/ Questions/Q 6339183
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Editorial Team
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Editorial Team
Asked: May 24, 20262026-05-24T19:35:57+00:00 2026-05-24T19:35:57+00:00

Looking at qwidget.h, I found the destructor as below: ~QWidget(); I was wondering why

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Looking at qwidget.h, I found the destructor as below:

~QWidget();

I was wondering why this is not declared as virtual

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  1. Editorial Team
    Editorial Team
    2026-05-24T19:35:58+00:00Added an answer on May 24, 2026 at 7:35 pm

    The destructor is virtual, because QWidget derives from QObject which does have a virtual destructor. Why it’s not declared virtual in the code is a either style issue or a harmless mistake. I would have declared it virtual myself.

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