[Gambas-bugtracker] Bug #2341: MessageBox First Button malfunction

[bugtracker at gambaswiki.org]

http://gambaswiki.org/bugtracker/edit?object=BUG.2341&from=L21haW4-

Comment #1 by Benoît MINISINI:

This time the documentation is false.

I have removed any default button, because it is too dangerous if the user hit ENTER by mistake, and gave the focus to the cancel button instead.