How do I update a progress bar in Cocoa during a long running loop?

Question

I\'ve got a while loop, that runs for many seconds and that\'s why I want to update a progress bar (NSProgressIndicator) during that process, but it updates onl

Answer 1

This worked for me, which is a combination of answers from others that did not seem to work (for me at least) on their own:

dispatch_async(dispatch_get_global_queue( DISPATCH_QUEUE_PRIORITY_LOW, 0), ^{
  //do something
  dispatch_async(dispatch_get_main_queue(), ^{
    progressBar.progress = (double)x / (double)[stockList count];            
  });  
  //do something else
});