private void words_ItemClick(object sender, ItemClickEventArgs e)
        {
            ListWordViewModel word = (ListWordViewModel)e.ClickedItem;

            for (ushort i = 0; i < ViewModel.Items.Count; i++)
            {
                ViewModel.Items[i].IsSelected = false;
            }

            ViewModel.Items[word.ID - 1].IsSelected = true;
            ViewModel.SelectedItem = ViewModel.Items[word.ID - 1];
        }
        /// <summary>
        /// Срабатывает при выборе элемента списка.
        /// </summary>
        private async void ListItemClick(object sender, ItemClickEventArgs e)
        {
            ListWordViewModel word = (ListWordViewModel)e.ClickedItem;

            for (ushort i = 0; i < itemsControl.Items.Count; i++)
            {
                ViewModel.Items[i].IsSelected = false;
            }

            ViewModel.Items[word.ID - 1].IsSelected = true;
            ViewModel.SelectedItem = ViewModel.Items[word.ID - 1];
            itemsControl.ContainerFromIndex(word.ID - 1).SetValue(Canvas.ZIndexProperty, zIndex++);

            await Task.Delay(1);

            answerBox.Focus(FocusState.Programmatic);
        }