> 
> However, when I do this, I get an empty array for the returnd URLs. This is 
> true even if I just ask for all URLs unfiltered (nil options dictionary). The 
> headers don’t have any info about what do to if the URL is only promised - I 
> had thought that from the receiver’s point of view that was irrelevant and 
> transparent, and the promise would be fulfilled when the receiver asked for 
> the URLs, but that’s clearly not happening. Of course I’m using the dragging 
> pasteboard in my case, not the general one.
> 
> Any ideas what I’m not doing that I should be?
> 
> —Graham
> 
> 

Does either of the two implementations of  
enumerateDraggingItemsWithOptions:forView:classes:searchOptions:usingBlock: 
help here? I recall the last time I watched a drag’n’drop video this method was 
the one called in the example code shown there and gave you the actual item 
dragged, reconstituted off the pasteboard, as long as you knew which classes to 
ask for. 

My understanding of that video at the time was tenuous and it was a rather long 
time ago, so this may be entirely off-base. 
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