ICallout.Arrow
ICallout

property Arrow: IPen;

Type Library
TeeChartx

Description
The pen used to display a line between a Series Mark and a Series point, and also used by Annotation tool to draw a line connecting the annotation and the series point.

In previous versions, this property was referred as "ArrowPen" ( Series1.Marks.ArrowPen )

Example of use:

TChart1.Series(0).Marks.Callout.Arrow.Color = Blue