private void AddAppBarButton_Click(object sender, RoutedEventArgs e)
 {
     viewModel.AddEntry(EMPTY_STRING, false);
     TodoNotesList.UpdateLayout();
     TodoNotesList.ScrollIntoView(TodoNotesList.Items[viewModel.TodoEntries.Count - 1]);
     FocusLastTextBox();
 }
        private void FocusLastTextBox()
        {
            var            container  = TodoNotesList.ContainerFromItem(TodoNotesList.Items[TodoNotesList.Items.Count - 1]);
            List <Control> controls   = AllChildren(container);
            string         name       = "ContentTextBox";
            Control        contentBox = controls.First(x => x.Name.Equals(name));

            contentBox.Focus(FocusState.Keyboard);
        }