Tutorial 036 Working with Signals and Slots in QML

How Qt Signals and Slots Work qt connect signal to slot with parameter As can be seen, in a queued connection, the number of copies made depends on the type of the parameter in the signal and the argument in the qt connect signal to slot I am seeing connect() with 3 or 4 parameters It looks like the rule is that with 4 parameters, we can get the required type of the 2nd

qt signal slot example Note that signal and slot arguments are not checked by the compiler when using this QObject::connect() overload Advanced Signals and Slots Usage For cases