Automatic correlation between QT signal and slot

qt The signal and slot are automatically correlated
In addition to the ability to manually correlate signals and slots in the program ,Qt The meta object of provides automatic correlation between signals and slots . about Qt The signal that the widget has provided , If you can name the slot function according to the following rules , that Qt Can automatically associate ：
void on_< Widget name >< Signal name >(< Signal parameters >); Such as ：
on_VideoDevTable_customContextMenuRequested(const QPoint &pos) // Right click
on_browsePushBtn_clicked(); // Click button