//create an item in the tree with good settings
QTreeWidgetItem *item = new QTreeWidgetItem();
item->setData(0,Qt::UserRole,file.toStdString().c_str());
//create an item in the tree with good settings
QTreeWidgetItem *item = new QTreeWidgetItem();
item->setData(0,Qt::UserRole,file.toStdString().c_str());