I'd suggest just badging the drag image with the number of items being dragged 
if it's more than what is visible (or badge it anyway, so the user gets used to 
the badge). The latest drag API has a way to collapse the drag with an 
animation to help reinforce this idea as well.

If you build a drag image from the entire selection no matter how large, the 
image will be often too large to be usable.

--Graham


On 12/07/2013, at 12:37 AM, [email protected] wrote:

> Granted I will need to also do some handling of excessively large number of 
> selected rows and make some visual indication in that is more than can 
> reasonably be displayed. 
> Happy to hear any guidance on this from anybody who has implemented something 
> similar before. (Caveats and gotchas please )


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