QT C++ GUI Tutorial 27- How to read text file and display file to a text...

QFile file("C:/Users/9589693153/Desktop/Test111.txt");
    if(!file.open(QIODevice::ReadOnly)) {
        QMessageBox::information(0, "error", file.errorString());
    }

    QTextStream in(&file);
    ui->textBrowser->setText(in.readAll());
    file.close();

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