Performance comparison of the Qt Signals and Slots mechanism

Code for this video c-tutorialqt In this video we will learn How Qt

使用Qt的信号和槽（Signals and Slots）机制有以下好处：松耦合：通过信号和槽，对象之间的通信是松耦合的。发送者不需要知道接收者的具体实现细节，

qt signal slot example When a signal is emitted, the slots connected to it are usually executed immediately, just like a normal function call When this happens, the signals and slots

qt connect signal to slot Qt already provides signals and slots for its classes, which you can use in your application For example, QPushButton has a signal clicked() , which will be