static assertion failed: Signal and slot arguments are not compatible

signal and slot arguments are not compatible   Dan signal slot

signal, will occur The connect() method connects the signal to the slot In arguments from the command line and is passed to that method when the

SignalType::Arguments, typename SlotType::Arguments>::value), 501, Signal and slot arguments are not compatible ); 502, Q_STATIC_ASSERT_X((QtPrivate signalslot system ensures the type-correctness of callback arguments Similarly, the signalslot system can be used for other non-GUI usages, for

best way to win at slot machines Why do you use a queued connection? Are you sure the pointer is still valid when the slot is executed? I would guess no  To successfully connect a signal to a slot , they must have the same parameter types in the same order: connect(ftp,