QTreeView - how to autoselect first row?

[jpn]

#include <QtGui>
 
int main(int argc, char* argv[])
{
    QApplication app(argc,argv);
    QTreeView view;
    QDirModel model;
    view.setModel(&model);
    view.setCurrentIndex(model.index(0, 0));
    view.show();
    return app.exec();
}

#include <QtGui>

int main(int argc, char* argv[])
{
    QApplication app(argc,argv);
    QTreeView view;
    QDirModel model;
    view.setModel(&model);
    view.setCurrentIndex(model.index(0, 0));
    view.show();
    return app.exec();
}

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