public async Task <Dictionary <int, TodoItemViewModel> > LoadAsync(uint start, int size)
{
// constrain to count
size = (int)start + size;
if (size > Count)
{
size = Count;
}
var dictionary = new Dictionary <int, TodoItemViewModel>();
foreach (var index in Enumerable.Range((int)start, size))
{
// fake delay for demo
await Task.Delay(10);
// fake data for demo
var model = _repository.Sample(1).First();
var viewmodel = new ViewModels.TodoItemViewModel(model);
dictionary.Add(index, viewmodel);
}
return(dictionary);
}