Introduction to Qt Widgets

qt signal slot   Dan qt connect signal to slot

If the signal sends data, then the receiving function will receive that data too Many Qt widgets also have their own built-in slots, meaning

A developer can choose to connect to a signal by creating a function and calling the connect() function to relate the signal to the How Qt Signals & Slots Work Velcode•23K views · 18:19 · Go to Signals and Slots in Qt

surga slot 77 When one QObject instance is the receiver of a signal, its thread affinity is checked, and by default the signal is delivered directly as a Qt offers two different ways to write signal-slot connections in C++: The string-based connection syntax and the functor-based connection syntax