property Surface.ShowLinksColor(Links as ShowLinksEnum) as Color
Retrieves or sets a value that indicates the color to display the links based on the user selection.

TypeDescription
Links as ShowLinksEnum A ShowLinksEnum expression that indicates the color of incoming, outgoing or collapsed links is changed.
Color A Color expression that specifies the color to show the related links.
The ShowLinksColor property specifies a color to show the incoming, outgoing or collapsed links. The Color property specifies the color to show the entire link. For instance, Use the ShowLinksColor(exShowLinksStartsFrom) /  ShowLinksStyle(exShowLinksStartsFrom) / ShowLinksWidth(exShowLinksStartsFrom) properties to mark the outgoing links of selected elements. The control fires the SelectionChanged event when a new element is selected or unselected.  

The following screen shot shows the incoming links (red ):