Transmit extra data with signals in PyQt5

Signals & Slots — Qt for Python signal and slot in qt Hello, My company wants to decrease our dependency with Qt to the GUI part only so I am looking for a signalslot alternative signal and slot qt This page was used to describe the new signal and slot syntax during its development The feature is now released with Qt 5

signal slot qt Hi all, I have a TCanvas in a QT application which I update by a QT timer event When the user closes the TCanvas window, I get a segfault