Thanks all.  Yeah I had the validateDrop part, but I guess what I was looking 
for was UTTypeConformsTo.  I think it's under control now thanks for the help!


On Mar 5, 2012, at 5:41 AM, David Riggle wrote:

> I think you also need to register for the drag types via 
> -registerForDraggedTypes. I pass in a mix of UTIs and legacy pboard types and 
> it seems to work. For example:
> 
>       [tableView registerForDraggedTypes:[NSArray arrayWithObjects:(NSString 
> *)kUTTypeURL, NSPasteboardTypeString, @"ABPeopleUIDsPboardType", nil]];
> 
> In your -validateDrop method you can check the pasteboard for URLs that 
> conform to local image files, for example.
> 
> The new NSPasteboard routines are poorly documented and badly represented in 
> the sample code. Good luck figuring them out.
> 
>> Message: 5
>> Date: Sun, 04 Mar 2012 07:01:30 -0800
>> From: Jerry Krinock <je...@ieee.org>
>> To: Cocoa-Dev List <cocoa-dev@lists.apple.com>
>> Subject: Re: setAllowedFileTypes: (or similar) for NSPasteboard
>> Message-ID: <7c036771-17a3-44da-85ff-ff04dad10...@ieee.org>
>> Content-Type: text/plain; charset=utf-8
>> 
>> 
>> On 2012 Mar 04, at 01:28, Rick C. wrote:
>> 
>>> I want to make a UTI array to limit what can be dragged onto my TableView.
>> 
>> Implement -tableView:validateDrop:proposedRow:proposedDropOperation: and 
>> return NSDragOperationNone if the [info draggingPasteboard] contains stuff 
>> you don't want.
>> 
>>> Sorry if I'm missing the obvious here
>> 
>> Drag and drop is not obvious.  See: Table View Programming Guide ▸ Using 
>> Drag and Drop in Tables.
>> 
> 
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