public LazyObservableCollection(ILoadItemsStrategy <T> loadItemsStrategy, int pageSize)
{
this.loadItemsStrategy = loadItemsStrategy;
this.pageSize = pageSize;
this.CollectionChanged += this.OnCollectionChanged;
}
public LazyListViewModel()
{
this.loadItemsStrategy = new ImageLoadItemsStrategy();
this.Images = new LazyObservableCollection <string>(this.loadItemsStrategy, 5);
}