qt signal slot

It use noSuchMethod so there are problems with arguments type control, sender object must be set for every signal and SignalMapper must be checked before

In each QMetaObject, the slots, signals and other invokable methods of that object are given an index, starting from 0 They are ordered so that

signal and slot arguments are not compatible Share your videos with friends, family, and the world

signal and slot in qt 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