private async Task <ObservableCollection <ToDoItem> > LoadIncrementalDataAsync(int count, int pageSize)
{
var items = new ObservableCollection <ToDoItem>();
for (var i = count; i <= count + PageSize; i++)
{
items.Add(ToDoItem.GetToDoItem(i));
}
return(items);
}
private void LoadToDoItems()
{
var items = new List <ToDoItem>();
for (var i = 1; i <= 20; i++)
{
items.Add(ToDoItem.GetToDoItem(i));
}
var sorted = from item in items
orderby item.FinishBy
group item by item.FinishByDisplay into itemGroup
select new Grouping <string, ToDoItem>(itemGroup.Key, itemGroup);
GroupedItems.Clear();
GroupedItems.AddRange(sorted);
}