QObject::connect: No such slot xxx错误提示

qobject__connect_ no such slot
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However, I get an error QObject::connect: No such slot QWidget::onClick() My code is as follows #include iostream> #include

QObject::connect: No such slot FenCalculatrice::FenCalculatrice::calculerOperation() in Designer_training: 10 QObject

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

slot online dunia303 QObject::connect: No such slot MLSDialog::activateMenu QObject::connect: