QObject::connect: No such slot QWidget::mySlot

A signal-slot connection is removed when either of the objects involved are destroyed bool QObject::disconnect ( const QObject * receiver, const char * member

class A : QObject { Q_OBJECT public: A(); private slots: void onRefres(); }； 但编译报错，Object::connect: No such slot，难道此类还没有

air filter slot cover QObject::connect: No such slot MainWindow::setRange in SerialPortData:32 QObject::connect: (receiver name: 'MainWindow

galaxy 88 slot Object::connect: No such slot QComboBox::setCurrentItem Since QObject::connect(item2, SIGNAL(clicked()), signalMapper, SLOT