QMessageBox with a "Do not show this again" checkbox
<p>How can I show a message box with a "Do not show again" checkbox below?</p>

<p>I imagine something that looks like this:</p>

<p><a href="https://i.stack.imgur.com/9kzbM.png" rel="noreferrer"><img src="https://i.stack.imgur.com/9kzbM.png" alt="enter image description here"></a></p>