hoi On 05/09/16 11:34, Andreͮaͦsͯ wrote: > I had to add #include <QStringList> > at the beginning of scface.h, otherwise there will be more errors. yes, that will work, too! but i don't see where the full QStringList is needed in the .h file... since i haven't tried it out, i cannot be sure of it.... ciao a.l.e