[Gtk-sharp-list] Problem with a ScrolledWindow

[tapia]

Hi.

I get a curious error when using a ScrolledWindow, and I'm not sure if
it's a gtk# bug, so I ask here before reporting.

I have this code:

[Glade.Widget] private ScrolledWindow swPresentation;

(...)

presentation = new Presentation ();
swPresentation.AddWithViewport (present