Hi,
I was trying to make an app to upload photos to flickr.

This is what I'm trying to achieve:


1.User will select many photos and drop it on the form which here acts
as a drop box.

2. The app. will upload them to the users account.

My main doubt.


How do my app know what files have been dropped and their infos?
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Just get me started with this... I'm not an expert...

Thanx in advance!