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    <p>There's nothing wrong with that code. Actually, there are a number of things that are less than ideal about that code, but nothing that will make it not work. What does the decompresss2z: function look like? </p> <p>If this were my code, I'd make the following changes:</p> <ol> <li><code>runModalForDirectory:file:</code> is deprecated; you should use <code>runModal</code> instead.</li> <li><code>filenames</code> is deprecated; you should use <code>URLs</code> instead (you can call <code>path</code> on each URL to get the filename).</li> <li><code>NSLog</code>'s parameter needs to be a format string, or else odd things can happen.</li> <li>You should use fast enumeration (with the <code>in</code> keyword), rather than looping through a container with an index. It's not only more efficient, it's less code (and less code is better).</li> <li>There's no reason to call <code>performSelector:withObject:</code> here; just call the method normally.</li> </ol> <p>Rewritten, it would look like this:</p> <pre><code>NSOpenPanel* openDlg = [NSOpenPanel openPanel]; [openDlg setCanChooseFiles:YES]; [openDlg setCanChooseDirectories:YES]; if ( [openDlg runModal] == NSOKButton ) // See #1 { for( NSURL* URL in [openDlg URLs] ) // See #2, #4 { NSLog( @"%@", [URL path] ); // See #3 [self decompresss2z:[URL path]]; // See #5 } } </code></pre> <p>Again, though, none of these changes will change your actual issue. In order to help further, we need to see more code. Specifically, I'd like to see what decompressss2z: looks like.</p>
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    1. PONSOpenPanel get filename in Objective-C?
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    1. COFinally an updated answer. Every other places are still the deprecated method.
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      1. USIvan Z. Siu
 

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