On Thu, 28 Aug 2014 20:59:27 GMT, Mike Wey wrote:
[…]

It appears an ApplicationWindow can only be added to an Application after the activate signal has been emitted.
Otherwise it will crash because the Application hasn't been registered yet.

[…]

We could use the same overload of run the gtkmm provides, so this would be taken care of for you.

Thanks for sorting out my problem :-)

If gtkmm gets round it, then I see no reason why this shouldn't be the default behaviour for GtkD.