[ThumbnailCtrl] how to get list of multiple selected thumbs?

[massimo s.]

Hi,
I'm still playing with ThumbnailCtrl. What I actually need is to have 
the filenames of all the selected thumbs.

The problem is that methods I'm looking seem only to understand *single* 
selected thumbs, and not multiple ones. And I need multiple ones (the 
app I'm doing makes no sense without multiple selection).

I'm sure I'm missing something, but looking at the code I still can't 
figure out what...

Thanks!
m.