Transmit extra data with signals in PyQt5

Transmit extra data with signals in PyQt5 qt connect signal to slot with parameter The button uses the clicked() signal and the label uses the slot setText() clicked() does not give any arguments to the slot setText() To qtech slot QObject::connect; Why the new connecting a signal with many arguments to a slot with less arguments

qtech slot These signals can be connected to any callable, that is, to any function or method, including Qt slots; they can also be connected using the

qtech slot malaysia At some point I had the idea to create one signalslot pair with a std::functionvoid()> parameter to do that, but it's even easier Since Qt 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