A String expression that indicates the key of the link being removed.
Use the RemoveLink method to remove the specified link. Use the Link(exLinkVisible)
property to hide a specific link between two bars. Use the AddLink
method to add a link between two bars. Use the ClearLinks
method to remove all links in the control. Use the ShowLinks
property to hide all links in the control. Use the RemoveItem
method to remove an item. The RemoveItem method removes all links related to
the item.
