Problem with Qt's connectSlotsByName

Problem with Qt's connectSlotsByName qt connect signal to slot with parameter Qt offers two different ways to write signal-slot connections in C++: The string-based connection syntax and the functor-based connection syntax qt connect signal to slot with parameter If you want to send signals from a class that does not inherit QObject, you can create an internal QSignal object to emit the signal You must also provide a

qt connect signal to slot with parameter QObject::connect(const QObject * sender , PointerToMemberFunction signal , const QObject * receiver , PointerToMemberFunction slot , Qt::

qt connect signal slot We have signalslot mechanism in Qt and observer updateParameterNodeFromGUI not called when ui is updated because connect() don't work  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