// Token: 0x060073A3 RID: 29603 RVA: 0x00211768 File Offset: 0x0020F968
internal object LeafAt(int index)
{
int i = 0;
int count = base.Items.Count;
while (i < count)
{
CollectionViewGroupInternal collectionViewGroupInternal = base.Items[i] as CollectionViewGroupInternal;
if (collectionViewGroupInternal != null)
{
if (index < collectionViewGroupInternal.ItemCount)
{
return(collectionViewGroupInternal.LeafAt(index));
}
index -= collectionViewGroupInternal.ItemCount;
}
else
{
if (index == 0)
{
return(base.Items[i]);
}
index--;
}
i++;
}
throw new ArgumentOutOfRangeException("index");
}
// return the item at the given index within the list of leaves governed
// by this group
internal object LeafAt(int index)
{
for (int k = 0, n = Items.Count; k < n; ++k)
{
CollectionViewGroupInternal subgroup = Items[k] as CollectionViewGroupInternal;
if (subgroup != null)
{
// current item is a group - either drill in, or skip over
if (index < subgroup.ItemCount)
{
return(subgroup.LeafAt(index));
}
else
{
index -= subgroup.ItemCount;
}
}
else
{
// current item is a leaf - see if we're done
if (index == 0)
{
return(Items[k]);
}
else
{
index -= 1;
}
}
}
// the loop should have found the index. We shouldn't get here.
throw new ArgumentOutOfRangeException("index");
}