StackOverflow2013

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2891971
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2010-05-23T13:52:08.567
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2010-05-24T02:14:46.260
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2010-05-24T02:14:46.260
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50122
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2891584
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Score
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text
Body
<code>NSApplication</code> sends the <code>NSApplicationDidFinishLaunchingNotification</code> notification, so you should just be able to register for that in your class: <pre><code>- (void)awakeFromNib { NSNotificationCenter* nc = [NSNotificationCenter defaultCenter]; [nc addObserver:self selector:@selector(appDidLaunch:) name:NSApplicationDidFinishLaunchingNotification object:nil]; } - (void)appDidLaunch:(NSNotification*)notification { NSLog(@"Blast off!"); } </code></pre> There's a general pattern here, in that Cocoa classes that have delegate methods with a method signature that passes a single notification parameter, such as the <code>‑(void)applicationDidFinishLaunching:(NSNotification*)notification</code> delegate method of <code>NSApplication</code>, will also post a notification when the delegate method is called. For example, <code>NSWindow</code> has a lot of delegate methods with this kind of signature, such as: <pre><code>- (void)windowDidResize:(NSNotification *)notification </code></pre> If you look at <a href="http://developer.apple.com/mac/library/documentation/cocoa/reference/NSWindowDelegate_Protocol/Reference/Reference.html#//apple_ref/doc/uid/TP40008202-CH1-SW10" rel="nofollow noreferrer">the docs</a> for this method, you'll see that the notification that is passed to this delegate method is a <code>NSWindowDidResizeNotification</code>. You can then find more detail about this notification in the <a href="http://developer.apple.com/mac/library/documentation/cocoa/reference/ApplicationKit/Classes/NSWindow_Class/Reference/Reference.html#//apple_ref/doc/uid/20000013-BCIIHIHC" rel="nofollow noreferrer">notifications section</a> of the <code>NSWindow</code> docs. This type of delegate method is often used when there is a likelihood that more than one object will be interested in the delegate information.
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1. POExecute something on application startup?
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1. USRob Keniger
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1. USRob Keniger
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