@ -457,7 +457,6 @@ UBTeacherGuidePresentationWidget::UBTeacherGuidePresentationWidget(QWidget *pare
mpLayout->addWidget(mpTreeWidget);
mpRootWidgetItem = mpTreeWidget->invisibleRootItem();
mpTreeWidget->setSelectionMode(QAbstractItemView::NoSelection);
mpTreeWidget->setDragEnabled(true);
mpTreeWidget->setRootIsDecorated(false);
mpTreeWidget->setIndentation(0);