Qt Tutorial => Multi window signal slot connection

3 Answers 3 Don't do it like this, hide your button in the class A, emit your own defined signal from class A lets call it OnButtonClicked

connect overloaded signals and slots https

qt signal and slot Currently, I use C++ with QT a lot And I quite appreciate the SignalSlots m echanism Because it is really convenient to connect different

qt signal slot You can connect as many signals as you want to a single slot, and a signal can be connected to as many slots as you need It is even possible to connect a