Gtkmm 2.22 - Drag & Drop Treeview

[Pedro Santos <pedroking2 hotmail com>]

Hi all

I'm doing the transition from gtkmm 2.16 to 2.22 and this transition my treeview with drag&drop stop work.
Then i test the example used in documentation to make the treeview with drag&drop and this example also not work.

http://library.gnome.org/devel/gtkmm-tutorial/unstable/sec-treeview-examples.html.en   

Thanks

Pedro Santos