hellotrmain.cpp

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int main(int argc, char *argv[])
{
    QApplication app(argc, argv);
 
    QTranslator translator;
    // look up e.g. :/i18n/myapp_de.qm
    if (translator.load(QLocale(), QLatin1String("myapp"), QLatin1String("_"), QLatin1String(":/i18n")))
        QCoreApplication::installTranslator(&translator);
 
    QPushButton hello(QCoreApplication::translate("main", "Hello world!"));
    hello.resize(100, 30);
 
    hello.show();
    return app.exec();
}