QT singles
时间: 2024-05-01 16:05:23 浏览: 100
引用中提到了关于QT信号的声明和使用。QT中的信号可以有参数和无参数。信号通过使用singles关键字来声明,并且可以在函数内使用emit关键字来发送信号。信号可以没有返回值,但可以有参数。在引用中的代码示例中,SubWidget类声明了两个信号mySignal()和mySignal(int, QString),并通过emit关键字发送这两个信号。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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