On 2010 Oct 30, at 16:46, Paul Johnson wrote:

> I have 2 tableviews (A and B) in a window. Both use Core Data. A 3rd
> tableview (in a drawer) has a complete list of items that I can selectively
> Drag and Drop to tableview B. I have almost implemented the Drag and Drop,
> but one step is missing. Tableview B has a Relationship to an item in
> tableview A, and I need to set up that pointer in my tableview B array
> controller (in tableView:acceptDrop:row:dropOperation:).

I'm not sure if you're having trouble with drag and drop or with Core Data.  
The former is explained in "Drag and Drop Programming Topics for Cocoa" and the 
latter in "Core Data Programming Guide" ▸ "Using Managed Objects".  Read the 
subsection "Drag and Drop" in particular.

> I haven’t figured out how to do that yet.

You should reply and explain what part of "that" you *haven't* figured out, and 
what part you *have* figured out.

I'd bet that you're probably not as close to being done as you think you are, 
though.  Drag and drop, particularly when mixed with Core Data, typically has 
some interesting corner cases to work out.

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