I have found that it means I have to include the header file for the inner instance.
-----Original Message----- From: cocoa-dev-bounces+jim.adams=sas....@lists.apple.com [mailto:cocoa-dev-bounces+jim.adams=sas....@lists.apple.com] On Behalf Of Ayers, Joseph Sent: Friday, November 05, 2010 6:13 PM To: Cocoa Dev Subject: CoreData models as structures I have a core data model that has a series of to-many relationships of the type: @interface TapeList : NSManagedObject { NSString * ListURL; NSSet* tapes; } @interface tapes : NSManagedObject { NSString * Notes; NSString * TapeName; NSSet * VideoClip; } @interface VideoClip : NSManagedObject { NSString * StartTimeCode; QTMovie * mMovie; NSString * EndTimeCode; NSString * Notes; NSString * movieURL; tapes * CurrentTape; NSSet* Table; } @interface Table : NSManagedObject { NSString * Notes; NSString * Name; NSSet* CommandStates; NSSet* Flexions; NSSet* DataSources; } A reference to tapeList.tapes works fine, but a reference to tapeList.tapes.VideoClip gives me a "request for member "VideoClip in something not a structure or union" compile time error. The structure is pretty obvious from the model see: http://dl.dropbox.com/u/2415080/datamodel.pdf but I'm baffled where it should reside in the code. Thanks, Joseph Ayers, Professor Department of Biology and Marine Science Center Northeastern University East Point, Nahant, MA 01908 Phone (781) 581-7370 x309(office), x335(lab) Boston: 444 Richards Hall (617) 373-4044 Cellular (617) 755-7523, FAX: (781) 581-6076 Google Voice: (781) 346-9589 eMail: lobs...@neu.edu<mailto:lobs...@neu.edu> iPhone: robopl...@gmail.com<mailto:robopl...@gmail.com> http://www.neurotechnology.neu.edu/ http://robobees.seas.harvard.edu/ http://cyberplasm.net/ _______________________________________________ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/jim.adams%40sas.com This email sent to jim.ad...@sas.com _______________________________________________ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com