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System Configuration framework question re airport

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System Configuration framework question re airport

Subject: System Configuration framework question re airport
From: Bill Cheeseman <email@hidden>
Date: Tue, 29 Sep 2009 15:42:52 -0400

Not sure what list to send this to....

I've written a Cocoa method using the System Configuration framework to detect whether the AirPort card is powered on. I first test for a network interface of type kSCNetworkInterfaceTypeIEEE80211 (AirPort). Then, if one is present, I get its configuration dictionary and extract the value associated with its "PowerEnabled" key. A user is reporting that this returns nil. I thought it was illegal for a kSCNetworkInterfaceTypeIEEE80211 interface to have a configuration dictionary that does NOT contain the "PowerEnabled" key, so i didn't test for nil.

Can a kSCNetworkInterfaceTypeIEEE80211 interface configuration dictionary lawfully omit a "PowerEnabled" key? Under what circumstances? Can anybody point me to documentation?

--

Bill Cheeseman
email@hidden

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