1  void MainWindow::on_actionOpen_triggered()
2  {
3   QString fileName;
4   fileName = QFileDialog::getOpenFileName(this,
           "Open File", "c:/",
          "Images (*.png *.xpm *.jpg);; "
          "Text files (*.txt);;XML files (*.xml)");
5   if(!QString(fileName).isNull())
6        QMessageBox::information(this, "The File Name", fileName );
7   else
8        QMessageBox::information(this, "The File Name", "No file selected" );
9 }