BaconographyWP8.View.LinkedPictureView.GenerateItemTripplet C# (CSharp) Метод

        private Tuple<PivotItem, PivotItem, PivotItem> GenerateItemTripplet(PivotItem newCurrent)
        {
            PivotItem prior = null, current = newCurrent, next = null;
            var currentIndex = albumPivot.Items.IndexOf(newCurrent);
            if (currentIndex > 0)
                prior = albumPivot.Items[currentIndex - 1] as PivotItem;
            if (currentIndex + 1 < albumPivot.Items.Count)
                next = albumPivot.Items[currentIndex + 1] as PivotItem;

            return Tuple.Create(prior, current, next);
        }