20 ways to debug Qt signals and slots

This enables a signal to be

Qt's signals and slots mechanism ensures that if you connect a signal to a slot, the slot will be called with the signal's parameters at the right time Signals

qt connect signal to slot Hi, you need to add the parameters in the signal when you call connect, but you can omit them in the slot, so you don't need a dummy parameter

qtech slot A frequent question coming up when programming with PyQt is how to pass extra arguments to slots After all, the signal-slot connection