How Qt Signals and Slots Work

Thread: Issue when passing a pointer to a SLOT from a SIGNAL with qt connect signal to slot You can't pass parameters to signal when you connect Parameters are passed to the signal when the signal is emitted Same applies to slots: qt connect signal to slot with parameter As Connection is just a handle, the underlying signal-slot connection is unaffected when Connection is destroyed or reassigned The connection is invalid if

qt connect signal to slot Debugging Qt's signal-slot connections What do you do if you Check to make sure that the connect code, the emit code, and the slot code is reached