private void TagTestWithSave (ref Mpeg4.File file, MemoryFileAbstraction abst, TagTestFunc testFunc) { testFunc (file.GetTag (TagTypes.Apple), "Before Save"); file.Save (); // Console.WriteLine (); // Extras.DumpHex ((abst.ReadStream as System.IO.MemoryStream).ToArray ()); file = new Mpeg4.File (abst, ReadStyle.None); testFunc (file.GetTag (TagTypes.Apple), "After Save"); }