property Items.ItemPosition(Item as HITEM) as Long
Retrieves or sets a value that indicates the item's position in the children list.

TypeDescription
Item as HITEM A long expression that indicates the item's handle.
Long A long expression that indicates the item's position in the children list.

The ItemPosition property gets the item's position in the children items list. You can use the ItemPosition property to change the item's position after it been added to collection. When the group sorts the tree, the item for each position can be changed, so you can use the item's handle or item's index to identify an item.