Signals and Slots

Signals and slots signal and slot arguments are not compatible Why do you use a queued connection? Are you sure the pointer is still valid when the slot is executed? I would guess no signal and slot qt Note that signal and slot arguments are not checked by the compiler when using this QObject::connect() overload Exercise 3: SingalsSlots

signal slot qt Signals and slots can take any number of arguments of any type It is possible to connect as many signals as you want to a single slot, and a signal can be