1  void MainWindow::addTreeRoot(QString name, QString description)
2  {
3    // QTreeWidgetItem(QTreeWidget * parent, int type = Type)
4    QTreeWidgetItem *treeItem = new QTreeWidgetItem(ui->treeWidget);
5    // QTreeWidgetItem::setText(int column, const QString & text)
6    treeItem->setText(0, name);
7    treeItem->setText(1, description);
8    addTreeChild(treeItem, name + "A", "Child_first");
9    addTreeChild(treeItem, name + "B", "Child_second");
10 }