By default, the ShowLinkType property is -1, which specifies that the control's ShowLinksType property indicates the type of the links to be shown between elements. The ShowLinkType property specifies a different type of link between two elements. 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 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 Style property defines the style of the line to be shown on the link.

The following screen shot shows the exLinkRectangular type:

The following screen shot shows the exLinkRound type:

The following screen shot shows the exLinkDirect type:

The following screen shot shows the exLinkStraight type: