摘要:
CMainWindow::CMainWindow(QWidget*parent):QMainWindow(parent),ui(newUi::CMainWindow){ui->setupUi(this);ui->pushButton->setHidden(false);ui->label->installEventFilter(this); // ui->label注册监听事件,所有与ui->label相关事件将被this监听}CMainWindow::~CMainWindow(){deleteui;}boolCMainWindow::eventFil 阅读全文