On Samstag, 20. Juni 2020 21:00:27 CEST Alberto Mardegan wrote: > On 20/06/20 21:42, Konstantin Tokarev wrote: > > Comparing metaObject() with staticMetaObject() is wrong because it would > > fail even for QProcess. > > I didn't try, but why would it fail? > > > OTOH, using qobject_cast would handle classes derived > > from QProcess correctly, unlike code with typeid(). > > But how would you use qobject_cast in this case? We don't know what > class to cast to; we only want to know if we are a subclass of QProcess. > Can't you just check if a cast to QProcess succedes or fails then?
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