OverviewVM with ViewModelBase

OverviewVM.cs

    public class OverviewVM : ViewModelBase
    {
        private MockRepository _toDoRepo;
        
        private IEnumerable<ToDoItem> _toDoItems;
        public IEnumerable<ToDoItem> ToDoItems
        {
            get { return _toDoItems; }
            set { Set(ref _toDoItems, value); }
        }

        public OverviewVM()
        {
            _toDoRepo = new MockRepository();
        }

        public async Task LoadData()
        {
            ToDoItems = await _toDoRepo.GetAsync();
        }
    }