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Valid contentObject for NSTreeController (Core Data)

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Valid contentObject for NSTreeController (Core Data)

Subject: Valid contentObject for NSTreeController (Core Data)
From: Daniel Price <email@hidden>
Date: Sun, 15 Jun 2008 01:55:56 +0100

Can someone point out the correct method of providing a valid datasource object for the contentObject binding of a NSTreeController in a Core Data document app?

I've added an NSManagedObject instance variable to my document subclass (and added an accessor) and bound the controller in a nib to it, but when I start the app, I get no document and no errors in the console...just nothing.

Is it possible with Core Data apps? Or does the controller get it's content from the Managed Object Context? _______________________________________________

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