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

Connect Custom Signals with Custom Slots qt connect signal slot You can connect as many signals as you want to a single slot, and a signal can be connected to as many slots as you need It is even possible to connect a qt connect signal slot Also in QML there is still the ability to connect a signal to a signal, as in QtC++ In QML, you can connect and disconnect signal slot

qt connect signal to slot with parameter It's important to ensure that the object being sent is not destroyed before the connected slot is invoked Similarly, the reception of arguments