connected
Computes the outer corners for the item at index in a vertical (column) Connected UI list.
In a vertical arrangement, only the first item has outer top corners and only the last item has outer bottom corners; all middle items have only joined corners. A single-item list produces ConnectedCorners.Standalone.
Return
The ConnectedCorners describing which corners face the exterior.
Parameters
index
Zero-based position of the item within the list.
size
Total number of items in the list. Must be greater than zero.