D05: Qt 信號槽signalslot

Qt Tutorials For Beginners 5 - Qt Signal and slots qt connect signal slot A queued signal-slot connection is nothing else but an asynchronous function call Conceptually, the routing function QMetaObject::activate qt signal and slot An introductory explanation to Qt Signals and Slots mechanism If you are new to using Qt

qt connect signal to slot with parameter Also in QML there is still the ability to connect a signal to a signal, as in QtC++ In QML, you can connect and disconnect signal slot