How to connect signal and slot in different classes in Qt?

qt connect signal slot
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qt connect signal slot You could also connect these up to things via QObject::connect() but that is out of this snippets scope That is for when you use the signaling  In this video we learn how to connect C++ to QML How to receive and send signal in C++ and  It's important to ensure that the object being sent is not destroyed before the connected slot is invoked Similarly, the reception of arguments

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