property Link.Style as LinkStyleEnum
Specifies the link's style.

TypeDescription
LinkStyleEnum A LinkStyleEnum expression that defines the style of the line to be shown between elements.
By default, the Style property is -1, which specifies that the control's LinksStyle property specifies the style of the line to be shown on links. The Style property indicates the style of the line to be shown on a particular link. The ShowLinkType property specifies the type of the link to be shown, like rectangular, straight and so on. The Width property specifies the size of the link and so the size of the arrow. The Visible property indicates whether the link is visible or hidden. The Color property specifies the color to show the entire link. The ShowDir property specifies whether the arrow of the link is shown or hidden. The ShowLinksStyle property specifies the style to show the incoming, outgoing or collapsed links.