A Long expression that specifies the position of the lane in the parent's Children
collection.
The Position property specifies the lane's position
(0-based). The Parent property
indicates the parent-lane of the current lane. The Children
property retrieves a collection of child-lanes. The Count
property of the Lanes object defines the
number of child-lanes ( sub-lanes ). The Item
property of the Lanes object returns the Lane
object giving its position. The Remove method
removes a lane from the Children collection,
giving its position.