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NSDocument's Open File Panel unresponsive when opening large file from disc
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NSDocument's Open File Panel unresponsive when opening large file from disc


  • Subject: NSDocument's Open File Panel unresponsive when opening large file from disc
  • From: Gilles Celli <email@hidden>
  • Date: Mon, 28 Jan 2013 14:18:06 +0100

Hi,

I've the following problem on OS X 10.6 and later:

My document based app (reads some small and big (150MB or more) ASCII files to process data, I'm using the method:
readFromURL:ofType:error: and returning canConcurrentlyReadDocumentsOfType: to YES.

When trying to open a bigger file the "Open File Panel" (window) gets unresponsive (stays open)  for several seconds.
For the smaller files the Open File Panel just disappears after clicking the "Open" button, as expected.

Are there any solution to hide immediately the "Open File" panel after clicking the "Open" button in an document based app ?

Any help is greatly appreciated.

Gilles




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