QtWebEngine::initialize();
QApplication::setAttribute(Qt::AA_UseOpenGLES);
QString t_style = "windowsxp";
    QStringList keyList = QStyleFactory::keys();
    for(int i = 0; i < keyList.length(); i++)
    {
        t_style = keyList.at(i);
        if(t_style.contains("vista") || t_style.contains("Vista")){
            t_style = "windowsvista";
        }
    }
QApplication::setStyle(QStyleFactory::create(t_style));
QApplication::setAttribute(Qt::AA_EnableHighDpiScaling);
QApplication::setHighDpiScaleFactorRoundingPolicy(Qt::HighDpiScaleFactorRoundingPolicy::PassThrough);
        QGuiApplication::setAttribute(Qt::AA_UseHighDpiPixmaps);