TCustomSeries.AreaLinesPen
TCustomSeries
property AreaLinesPen: TChartPen;
Unit
Series
Description
The AreaLinesPen property indicates the kind of pen used to draw vertical lines across the Area region. By default AreaLinesPen.Visible is False, so you need first to set it to True. You can control the Area Brush style by using the AreaBrush property.