Qt使用事件过滤器时程序崩溃解决方案_eventfilter attributeerror-CSDN博客

网站介绍:文章浏览阅读1k次,点赞5次,收藏4次。bool UserMainWindow::eventFilter(QObject *watched, QEvent *event){ if(watched == ui->close_btn) { if(event->type() == QEvent::HoverEnter) { ui->close_btn->setStyleSheet("border-image:url(:/images/close2.png)_eventfilter attributeerror