TTChartOnGetSeriesBarStyle

type TTChartOnGetSeriesBarStyle = procedure(ASender: TObject; SeriesIndex, ValueIndex: Integer; Var BarStyle: EBarStyle) of object;

Type Library
TeeChartx

Description
The OnGetSeriesBarStyle event is called for every Bar that's going to be displayed. You can specify a different Bar style for each Bar point. Using this event overrides the BarStyle property.