On Sun, Dec 16, 2012, at 09:43 PM, Tamas Nagy wrote:
> Thanks Kyle. I know about beginWithCompletionHandler: , but I really need
> a modal window at that point my application opens the open panel.

I have to ask, why?

If you want to block interaction with a document, you can use
-beginSheetModalForWindow:completionHandler:.

What circumstances could arise that would require you to block access to
the entire app?

--Kyle Sluder
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