SignalSlot Communication

website qobject__connect_ no such slot Object::connect:No such slot 我自己定义的slot怎么会说没有呢？？ public: FtpLogin; ~FtpLogin(); bool logIn( free games slot play QObject::connect: No such slot KActionSelector::itemDoubleClicked QObject::connect: No such slot KActionSelector

qobject__connect_ no such slot Object::connect:No such slot 我自己定义的slot怎么会说没有呢？？ public: FtpLogin; ~FtpLogin(); bool logIn(  QObject::connect: No such slot MainWindow::addItemToList in-- 이런 에러가 난다면, 아마도 시그널의 인자와 슬롯의 인자가 맞지 않아  QObject :: connect (button, SIGNAL (clicked ()), label, SLOT (setText )); Here we have tried a signal-slot link The aim of

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