void QTreeWidgetItem::setText(int column, const QString &text)
QTreeWidgetItem *cities = new QTreeWidgetItem(treeWidget); cities->setText(0, tr("Cities")); QTreeWidgetItem *osloItem = new QTreeWidgetItem(cities); osloItem->setText(0, tr("Oslo")); osloItem->setText(1, tr("Yes"));
QTreeWidgetItem *items1 = new QTreeWidgetItem(tree, QStringList(QString("num_1"))); QTreeWidgetItem *items2 = new QTreeWidgetItem(items1 , QStringList(QString("num_2")));
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