QObject::connect: No such slot MainWindow::changeData in

QObject::connect: No such slot MainWindow::changeData in qobject__connect_ no such slot Und an der stelle bei connect bekomme ich immer die Fehlermeldung: QObject::connect: No such slot MainWindow::addButton_clicked() Das selbe jawara slot emit aSignal(); Page 37 Making the connection QObject::connect( src, SIGNAL, dest, SLOT ); function name> ( arg type>

jawara slot warning: In unknown, line 0 warning: QObject::connect: No such slot pqExpressionsWidget::clear() warning: In unknown, line 0 warning

ark of ra slot : fix the activation signal QObject::connect: No such slot QSystemTrayIcon ::emitActivated Change-Id 编译能通过，但是会出现no such slot的情况： QObject::connect: No such slot QDialog::xxxxx() in …:27 解决 这是因为在自己的派生类中