No you can’t one an NSOpenPanel on a secondary thread. UI elements must be on the main thread.
—Rob > On Mar 21, 2020, at 1:05 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/petrock%40mac.com > > This email sent to petr...@mac.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
