New Signal Slot Syntax

qt connect signal to slot
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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 Signals

Since Qt uses a mechanism called signals and slots, it makes the callback function weakly coupled to the event Also, we usually use the terms signal and slot

qt slot You can directly connect signals to slots, without having to implement a listener method calling another method; when implementing your own signalsslots, there

qt 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 connect(pPushButton_Test1,SIGNAL(clicked()),this,SLOT