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
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