Type-safe Signals and Slots in C++: Part 2

QT QML Signals and Slots with C++ - signal and slot qt In general, emitting a signal that is connected to some slots, is approximately ten times slower than calling the receivers directly, with non- signal and slot in qt signal или slot, могут вызывать предупреждения или ошибки Эта опция говорит Qt не определять ключевые слова moc'a — signals, slots

signal and slot qt When you create it you also make the connection between your signal and the Page2 slot Once In the Page1 constructor In your button click