Implementing Qt Signals and Slots in Pure C++

When the signal is emitted with fewer arguments than the slot, Qt runs the slot using default parameter values Functor-based connections do not support

A developer can choose to connect to a signal by creating a function and calling the connect() function to relate the signal to the

signal and slot qt Qt's signals and slots mechanism ensures that if you connect a signal to a slot, the slot will be called with the signal's parameters at the right time

signal and slot 环境说明二、环境搭建下安装通用的交叉编译器下编译Qt SIGNAL(clicked()),this,SLOT(pPushButton_Test1_clicked()));