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Re: Drag and drop on table view

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Re: Drag and drop on table view

Subject: Re: Drag and drop on table view
From: Jens Alfke <email@hidden>
Date: Fri, 02 Dec 2016 09:19:27 -0800

> On Dec 2, 2016, at 5:36 AM, J.E. Schotsman <email@hidden> wrote:
>
> I am still not sure if I am doing this the right way (extending NSTableView) because Xcode says "Subclassing NSTableView is usually not necessary”.

NSTableView has a whole set of delegate calls for implementing drag & drop; you should use those instead. For example

- (NSDragOperation)tableView:(NSTableView*)tv
                validateDrop:(id <NSDraggingInfo>)info
                 proposedRow:(NSInteger)row
       proposedDropOperation:(NSTableViewDropOperation)op

—Jens
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