How to use Signals & Slots

qt connect signal to slot with parameter   Dan qt signal slot example

Qt's signals and slots mechanism ensures that if you connect a signal to a slot, the slot will be called with the signal's parameters at the right time

Qt's signals and slots mechanism ensures that if you connect a signal to a slot, the slot will be called with the signal's parameters at the right time Signals parameters to the function should match those expected by QObject::connect() The even more interesting thing is that if I qualify the connect() call so

hmn-400 A queued signal-slot connection is nothing else but an asynchronous function call Conceptually, the routing function QMetaObject::activate 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