> Hello, > > Sorry for not being able to get back to you on IRC. I have been busy with > another project of mine at my university for quite some time now. > > If a method was virtual before and is pure virtual now then one can't call > that function as the method is of an abstract class now in Qt5 (and hence > can't be instantiated). Just removing these function calls won't help > either as the classes that derive from these will also remain an abstract > class until these pure virtual functions are reimplemented in the derived > classes. > > So the calls to these specific functions will automatically turn up as > errors during the compilation process (thus automatically highlighting the > need to take care of the now pure virtual function). Can you please explain > why then is it needed to use pragma in these cases? > > Regards, > Aroonav. > > Apart from what Aroonav said, I'd like to add that if there were these errors, then they would have appeared at compilation time only. Since each derived class *needs* to define the function that it's deriving from the abstract base class.
Regards Aditya
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