Qt Tutorial => Multi window signal slot connection

Below are some suggestions for troubleshooting signals and slots in the Qt C++ library 1 Check for compiler warnings about non-existent

Signals and Slots Across Threads · Auto Connection If the signal is emitted in the thread which the receiving object has affinity then the behavior is

qtech slot If the signal is a Qt signal, the type names must be the C++ type names, such as int and QString C++ type names can be rather complex, with

qt connect signal slot A queued signal-slot connection is nothing else but an asynchronous function call Conceptually, the routing function QMetaObject::activate