codice:
                ui->QTWResults->setRowCount(ui->QTWResults->rowCount()+ 1);
                QLabel *QLUser= new QLabel(ui->QTWResults);
                ui->QTWResults->setCellWidget(ui->QTWResults->rowCount()- 1, 0, QLUser);
                QLUser->setText(MainWindow->QVUsers.at(QVUserCount.at(count)).Surname+ " "+ MainWindow->QVUsers.at(QVUserCount.at(count)).Name);
                QLUser->setStyleSheet("margin: 1px");
Per Qt ti consiglio il forum ufficiale
https://forum.qt.io/