Use the ClearLinks method to remove all links in the control. Use the ShowLinks property to hide all links in the control. Use the RemoveLink method to remove a specified link. Use the AddLink method to add a link between two bars. Use the RemoveAllItems method to remove all items in the control. Use the RemoveItem method to remove an item. The RemoveItem method removes all links related to the item. Use the RemoveLinksOf method to remove all links that start or end on the specified bar.