Don't know if this helps you but you can look into dispatch_sync and dispatch_async.
Cheers On Sat, Mar 21, 2020 at 9:16 PM Sandor Szatmari via Cocoa-dev < cocoa-dev@lists.apple.com> wrote: > You must run the panel on the main thread. > > Sandor > > > On Mar 21, 2020, at 3:05 PM, Gabriel Zachmann via Cocoa-dev < > cocoa-dev@lists.apple.com> wrote: > > > > Is it possible to open an NSOpenPanel in a secondary thread? > > > > I create the thread like this: > > > > directoryScanThread_ = [[NSThread alloc] initWithTarget: self > > selector: > @selector(scanDirectory:) > > object: nil]; > > [directoryScanThread_ start]; > > > > > > But when I do: > > > > NSOpenPanel *oPanel = [NSOpenPanel openPanel]; > > > > it crashes at this point. > > > > In the docs, I found a hint that one should use > > > > lockFocusIfCanDraw > > > > but that is deprecated now. > > > > Any ideas will be highly appreciated. > > > > > > Best regards, Gabriel > > > > > > _______________________________________________ > > > > 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: > > > https://lists.apple.com/mailman/options/cocoa-dev/admin.szatmari.net%40gmail.com > > > > This email sent to admin.szatmari....@gmail.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: > https://lists.apple.com/mailman/options/cocoa-dev/bpantazhs%40gmail.com > > This email sent to bpanta...@gmail.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: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com