What do I do if a slot is not invoked?

In this lesson, we will look at signals They are messages that nodes emit when something specific happens to them, like a button being pressed

What do I do if a slot is not invoked? Since the signatures are compatible, the

In this lesson, we will look at signals They are messages that nodes emit when something specific happens to them, like a button being pressed

signal and slot arguments are not compatible QT编译错误: Signal and slot arguments are not compatible 原因如下： 信号和插槽参数不兼容。 当时把connect函数写成了这样子：

The slot does not exist for the given receiver ; The signalslot argument lists is not compatible The elements marked with a do not

signal and slot in qt The slot does not exist for the given receiver ; The signalslot argument lists is not compatible The elements marked with a do not

The slot can ignore any or all of these arguments The only A class which emits a signal does not need to know which slots receive the signal