/// <summary>
        /// User clicked on "Move" appbar button, this method will build and display a popup menu with list of Notebooks.
        /// Allowing the user target notebook.
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        async void btnMoveNotebookClick(object sender, RoutedEventArgs e)
        {
            PopupMenu nbMenu = new PopupMenu();
            var       nbs    = NotesDataSource.GetGroups();

            foreach (NoteBook nb in nbs)
            {
                if (!nb.UniqueId.Equals(Note.NoteBookUniqueId))
                {
                    nbMenu.Commands.Add(new UICommand(nb.Title, null, nb.UniqueId));
                }
            }

            var        rect    = Helpers.GetElementRect((FrameworkElement)sender);
            IUICommand command = await nbMenu.ShowForSelectionAsync(rect);

            if (command == null)
            {
                return;
            }


            var result = await Helpers.ShowDialog(string.Format(Consts.MoveNote, Note.NoteBook.Title, command.Label), "Move Note");

            var nbUniqueId = (string)command.Id;

            if (result)
            {
                NotesDataSource.Move(Note.UniqueId, nbUniqueId);
                DrawDefaultAppBar();
            }
        }