What's this UI pattern called?

Question

I\'m trying to figure out what this sort of thing is called, and eventually how I can create one in a web browser. It looks like this (screenshot of the first app that came

Answer 1

There is no standard control for this. Usually it is implemented with two lists and some buttons to move one or all items from one list to another and vice versa. Instead of a button to move a single item a double click could be used. To move one or more items dag and drop can be employed.

As for the name of th pattern ... I don't really have an idea.