Runnning lambda functions on a specific thread with Qt

Qt : QML Signal and Handler Event System qt connect signal to slot with parameter 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 qt signal slot 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

qtech slot Quand tu fais un connect ton slot doit recevoir exactement les mêmes paramètres que ton signal Dans ton cas ton signal clicked() ne recoit rien