void HandleDestroyed(object sender, EventArgs e)
{
toplevels.Remove(sender as Gtk.Window);
if (toplevels.Count == 0)
{
Log.Information("Exiting...");
Banshee.Kernel.Scheduler.Dispose();
Database.Dispose();
ImageLoaderThread.CleanAll();
Gtk.Application.Quit();
}
if (organizer != null && organizer.Window == sender)
{
organizer = null;
}
}