Ok, so I've solved how to do this without bindings, I've created a supercontroller to handle two NSArrayControllers, with the required IBAction to send the selected data in the first to the second, after processing. Is there a way to do this without a custom class? I'm thinking there might be with NSButton's bindings for Argument, somehow, but I'm wondering if it'll be a fruitless search, since I don't know how/if such things can be passed to the creation of a Core Data Entity through the add: action without the same or more work than I've already done, or if it would be worth it. Seems like I could just override add: to take the Argument bound by the button, and use addObjects: or whatever lower level function add: uses, to create relationships in the a new entity from the buttons Argument binding. Anyway, just wondering if anyone has thoughts on this line.
Dustin KC9MEL
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