Problem about signalsslots in Qt 5

website qt connect signal to slot with parameter As koan suggests the best approach is to use another slot with a QString argument and then call the slot you actually want Share qt slot signal Have a look at the declaration of the static connect function: C++ connect(const QObject *sender, const char *signal, const QObject

qt connect signal to slot with parameter QT signalslot is not a mechanism of C++, it's just a C++ library which provides such functionality You can implement it yourself with Rust, or  To send signal across threads we have to use the parameter Without this parameter the code will be executed in the same  Re: connect() - connecting to slot and passing arguments​​ clicked() is your slot! You have to define it and use SLOT instead of SIGNAL

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