Running modal panels requires the application run loop to be active.
You're not doing that. I suggest you take a look at some of the
application examples for how to do what you want here.
On Tue, Nov 19, 2019, 10:34 AM Patryk Laurent <plaur...@me.com> wrote:
>
> > On Nov 18, 2019, at 09:16, Wolfgang Lux <wolfgang....@gmail.com> wrote:
> >
> >> Am 18.11.2019 um 04:43 schrieb Patryk Laurent <plaur...@me.com>:
> >> “Uncaught exception NSInternalInconsistencyException, reason:
> registration with registered client.”
> >
> > The error message itself is coming from NSDistributedNotificationCenter
> and it looks like it's caused by a race condition when two threads in your
> program are adding an observer to the distribution notification center at
> about the same time.
>
> Thanks, Wolfgang. I find this surprising because my program is minimal
> (source code below). I wasn’t getting this before, will look for what has
> changed...
>
> Patryk
>
> #import <AppKit/AppKit.h>
>
> int main()
> {
> NSApplication *app;
> app = [NSApplication sharedApplication];
>
> NSAlert * alert = [[NSAlert alloc] init];
> [alert setMessageText:@"Hello alert"];
> [alert addButtonWithTitle:@"All done"];
> int result = [alert runModal];
> if (result == NSAlertFirstButtonReturn) {
> NSLog(@"First button pressed");
> }
> }
>
>
>
>
>
>
>
