How Qt Signals and Slots Work

Qt Designer's Signals and Slots Editing Mode signal slot qt In Qt, we have an alternative to the callback technique: We use signals and slots A signal is emitted when a particular event occurs Qt's widgets have many signal and slot qt 环境说明二、环境搭建下安装通用的交叉编译器下编译Qt SIGNAL(clicked()),this,SLOT(pPushButton_Test1_clicked()));

signal slot Receiving signals with signal handlers To receive a notification when a particular signal is emitted for a particular object, the object definition should