StackOverflow2013

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copied!<p>In order for you to get those notifications you need to be holding on to an instance of CWInterface. Your .h would look like this</p> <pre><code>#import <Cocoa/Cocoa.h> @class CWInterface; @interface AppDelegate : NSObject <NSApplicationDelegate> @property (assign) IBOutlet NSWindow *window; @property (retain) CWInterface *wirelessInterface; @end </code></pre> <p>Then in your .m file would look like this</p> <pre><code>#import "AppDelegate.h" #import <CoreWLAN/CoreWLAN.h> @implementation AppDelegate @synthesize window = _window; @synthesize wirelessInterface; - (void)applicationDidFinishLaunching:(NSNotification *)aNotification { // Insert code here to initialize your application [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(handleNotification:) name:CWModeDidChangeNotification object:nil]; [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(handleNotification:) name:CWSSIDDidChangeNotification object:nil]; [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(handleNotification:) name:CWBSSIDDidChangeNotification object:nil]; [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(handleNotification:) name:CWCountryCodeDidChangeNotification object:nil]; [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(handleNotification:) name:CWLinkDidChangeNotification object:nil]; [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(handleNotification:) name:CWPowerDidChangeNotification object:nil]; self.wirelessInterface = [CWInterface interfaceWithName:@"en1"]; } -(void) handleNotification:(NSNotification*) notification { NSLog(@"Notification Received"); } @end </code></pre> <p>Notice the CWInterface property, that's the important bit</p>

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