QDirIterator it("D:\\FolderSend");
    QStringList list;
    while(it.hasNext())
        list.push_back(it.next());

QDir dir("D:\\Folder");
QStringList list = dir.entryList();

QStringList list;
    for(int i = 0; i < 5000; i++)
        list.push_back("file123456789");

#include <QCoreApplication>
#include<QFile>
#include<QDir>
#include<QTime>
#include<QElapsedTimer>
#include<QDebug>

const QString folderPath = "D:\\ForSend\\FolderSend3";
const QChar subdirSeparator = '\\';

int main(int argc, char *argv[])
{
    QCoreApplication a(argc, argv);

    QDir dir(folderPath);
    QStringList dirFiles = dir.entryList(QDir::Files|QDir::NoDotAndDotDot|QDir::Hidden);
    int counter = 0;
    QElapsedTimer timer;
    for (QStringList::const_iterator it = dirFiles.begin(); it != dirFiles.end(); ++it) {
        QString fullPath1 = folderPath + subdirSeparator + *it;
        QFile f(fullPath1);
        QTime t1 = QTime::currentTime();
        f.open(QIODevice::ReadOnly);
        QTime t2 = QTime::currentTime();
        //f.close();
        qDebug() << t1 << endl << t2 << endl << *it << counter;
        counter++;
        if(counter == 1000){
            counter = 0;
            timer.start();
            while (timer.elapsed() < 5000) {
                continue;
            }
        }
    }
    return a.exec();
}

#include <QCoreApplication>
#include<QFile>
#include<QDir>
#include<QTime>
#include<QDebug>

const QString folderPath = "D:\\ForSend\\FolderSend";
const QChar subdirSeparator = '\\';

int main(int argc, char *argv[])
{
    QCoreApplication a(argc, argv);

    QDir dir(folderPath);
    QStringList dirFiles = dir.entryList(QDir::Files|QDir::NoDotAndDotDot|QDir::Hidden);
    for (QStringList::const_iterator it = dirFiles.begin(); it != dirFiles.end(); ++it) {
        QString fullPath1 = folderPath + subdirSeparator + *it;
        QFile f(fullPath1);
        QTime t1 = QTime::currentTime();
        f.open(QIODevice::ReadOnly);
        QTime t2 = QTime::currentTime();
        f.close();
        qDebug() << t1 << endl << t2 << endl << *it;
    }
    return a.exec();
}

QAxObject *links = cell->querySubObject("Hyperlinks");
QAxObject *linkCell = links->querySubObject("Item(int)",1);

QAxObject *hLink = testCell->querySubObject("Hyperlinks");
QAxObject *testLink = hLink->querySubObject("Add(QObject,QString,QVariant,QVariant,QVariant)",testCell->asVariant(),"","NameList!A1","aaa","bbb");