【提问】大家有没有用过QListWidget的itemDoubleClicked ? [复制链接]

public slots:
  void on_ListWidgetContent_itemDoubleClicked(QListWidgetItem * item);

void MyWindow::on_ListWidgetContent_itemDoubleClicked(QListWidgetItem * item)
{
  QMessageBox::information(this, "Info", item->text(), QMessageBox::Ok, 0);
}