KCGDisplaySetMainFlag not firing

• Subject: KCGDisplaySetMainFlag not firing
• From: Trygve Inda <email@hidden>
• Date: Thu, 31 Jul 2008 09:01:14 +0000
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• Delivered-to: email@hidden
• Thread-index: Acjy6/wMnbBzC/Mfw0ij5zHXRme4YA==
• Thread-topic: KCGDisplaySetMainFlag not firing
• User-agent: Microsoft-Entourage/12.10.0.080409

I have a MBP17 and a 23" Cinema. The Cinema is the main display.

I am using:

void DisplayReconfigurationCallBack (CGDirectDisplayID display,
CGDisplayChangeSummaryFlags flags, void *userInfo)

When I remove the Cinema I get:

KCGDisplayRemoveFlag
kCGDisplaySetMainFlag   // main is now set to the internal 17"

When I re-attach the Cinema I get:

KCGDisplayAddFlag

But do not get kCGDisplaySetMainFlag even though the main display is reset
to the Cinema.

Is this expected behavior? It seems odd.

Thanks,

Trygve


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