private void Update_Item(object sender, RoutedEventArgs e)
        {
            TodoItemViewModels ViewModels = ((App)App.Current).ViewModels;

            ViewModels.SelectedItem = ViewModels.GetItemByItemId(Id.Text);
            ViewModels.UpdatingItem();
        }
        private void Share_Item(object sender, RoutedEventArgs e)
        {
            TodoItemViewModels ViewModels = ((App)App.Current).ViewModels;
            var item = ViewModels.GetItemByItemId(Id.Text);

            ViewModels.SharingItem = item;
            DataTransferManager.ShowShareUI();
        }
        private void CheckBox_Click(object sender, RoutedEventArgs e)
        {
            TodoItemViewModels ViewModels = ((App)App.Current).ViewModels;

            ((App)App.Current).DataBaseForTodoList.Update(ViewModels.GetItemByItemId(Id.Text));
        }