Coding a Qt slot, how is the signal received?

qt connect signal to slot with parameter   Dan qtech slot malaysia

Adding signals to custom QML types; Connecting signals to methods and signals; Signal to signal connect Signal parameters Signals might have parameters

To connect a Signal to a Slot you can simply call QObject::connect or QObject:: 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

ze zeus slot To connect a Signal to a Slot you can simply call QObject::connect or QObject:: I am seeing connect() with 3 or 4 parameters It looks like the rule is that with 4 parameters, we can get the required type of the 2nd