Gets or sets the index of the link which is displayed at the top of the current group.
An integer value specifying the top visible link's zero-based index.
Use the TopVisibleLinkIndex property to scroll the group's client area when links don't fit into it. In such an instance, scrolling can also be performed by an end-user by clicking scroll buttons.
Assigning a negative value to the TopVisibleLinkIndex property makes the first link top visible. Assigning a value greater than the last available link index moves the last link to the top.
The image below displays a NavBarControl control whose second group's TopVisibleLinkIndex property is set to 0 and 1 respectively.