Connect signals with arguments

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

Explicitly calling a Python slot from QML · Returning a value from a slot · Connecting signals from QML to Python using a top-level QML signal

qt connect signal to slot Python PyQt Connecting Signals to Slots: Exercise-7 with Solution · Import the necessary modules from PyQt5 · Create a custom signal emitter

qt signal slot example It is possible to connect to any member function of QObject, not only slots