2010/11/7 denilsson31 <denilsson31@xxxxxxxxxx>: > > Thanks for giving your time, Dario. > > It seems it can't since 'int close()' should be public. > > Could it be a gcc's bug ? > I don't have the Qt sdk at hand, but the following test code works for me (with gcc 4.3.2): ======== class QFile { public: virtual void close(); }; class QTemporaryFile : public QFile { }; class dbFile { public: virtual int close() = 0; static int ok; }; class dbFileWrapper : public dbFile { private: virtual void doClose() = 0; int close() { doClose(); return dbFile::ok; } }; class TemporaryDbFile : public QTemporaryFile, public dbFileWrapper { private: void doClose() { QTemporaryFile::close(); } }; ======== Dario