void OnNotamCodeAddedToRepository(object sender, EntityAddedEventArgs<NotamCode> e)
{
var viewModel = new NotamCodeViewModel(e.NewEntity, _notamCodeService);
this.AllNotamCodes.Add(viewModel);
}
void CreateNewNotamCode()
{
NotamCode newNotamCode = NotamCode.CreateNewNotamCodes();
NotamCodeViewModel workspace = new NotamCodeViewModel(newNotamCode, _notamCodeService);
this.Workspaces.Add(workspace);
this.SetActiveWorkspace(workspace);
}