perhaps I didn't say this earlier, but the problem is not a run-time error as such; the app doesn't launch. Maybe that provides a clue as to what's wrong?
Martin On Aug 15, 2011, at 07:56 PM, Martin Hewitson wrote: > Is it ok to declare a property to be NSPopover, even if that class doesn't > exist on 10.6? > > I tried the > > if ([NSPopover class]) {} > > trick, but I get the same error when running on 10.6.8. I'll try some more in > case I made a mistake, but…. > > Thanks! > > Martin > > On Aug 15, 2011, at 07:47 PM, Kyle Sluder wrote: > >> On Mon, Aug 15, 2011 at 10:45 AM, David Duncan <david.dun...@apple.com> >> wrote: >>> In either case, the best general way to determine availability of >>> weak-linked implementations is to test for them directly rather than using >>> a system version check (like gestalt). If your using Clang (which I suspect >>> you are not given your error) you could just use: >>> >>> "if ([NSPopover class]) { /* do stuff with popovers */ } else { /* do stuff >>> without */ }" >> >> Is it the case that this check will only work on 10.6.8 or newer, and >> that one should fall back on NSClassFromString() if supporting an >> older version of Snow Leopard? >> >> --Kyle Sluder > > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > Martin Hewitson > Albert-Einstein-Institut > Max-Planck-Institut fuer > Gravitationsphysik und Universitaet Hannover > Callinstr. 38, 30167 Hannover, Germany > Tel: +49-511-762-17121, Fax: +49-511-762-5861 > E-Mail: martin.hewit...@aei.mpg.de > WWW: http://www.aei.mpg.de/~hewitson > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > > > > > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Martin Hewitson Albert-Einstein-Institut Max-Planck-Institut fuer Gravitationsphysik und Universitaet Hannover Callinstr. 38, 30167 Hannover, Germany Tel: +49-511-762-17121, Fax: +49-511-762-5861 E-Mail: martin.hewit...@aei.mpg.de WWW: http://www.aei.mpg.de/~hewitson ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ _______________________________________________ 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