Qt signal is ten times slower than a virtual function

Qt question: How do signals and slots work? qt signal and slot The processing function then calls the callback when appropriate In Qt, there is an alternative to the callback technique: signals and slots A signal is qt connect signal to slot with parameter I have class A, which dynamically allocates an instance of class B when a method is called, and emits a signal which carries the instance of B

qtech slot malaysia An introductory explanation to Qt Signals and Slots mechanism If you are new to using Qt, this