Thread: Signalslot between widgets

Use a Property, Signal or Slot? · Slots allow communication from QML to C++: Slots are used to trigger C++ code from QML You can use parameters and return

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，

signal and slot arguments are not compatible Example code for singnals and slots writen in c++ using Qt framework - ExecomNordcpp-qt-signal-slot-example

signal and slot Define your own class with Qt signals and slots: To provide a class with its own signals and slots, the following applies Rules to be followed: