subtract seconds by 10

[julie546]

hi how can subtract seconds by 10 please
QString filenamecamera=QDateTime::currentDateTime().toString(QString("'%1/CaméraAvant_'yyyy_MM_dd'_'hh_mm_ss'").arg(dossier));

[JoeCFD]

QString filenamecamera=QDateTime::currentDateTime().addSecs(-10).toString(QString("'%1/CaméraAvant_'yyyy_MM_dd'_'hh_mm_ss'").arg(dossier));

https://doc.qt.io/qt-5/qdatetime.html#addSecs

[Kent-Dorfman]

std::chrono #include <chrono>

[julie546]

@JoeCFD thanks