object that represents the border of the specified object.
expression.Border
expression Required. An expression that returns one of the objects in the Applies To list.
Remarks
The border for a chart series represents the outline color on column, bar, pie, doughnut, area, and high-low-close charts. On charts with markers (such as a line chart with markers), the border represents the outline color for the markers.
Example
This example sets the line weight of the border for the specified series in the chart workspace.
Sub SetBorder()
Dim chConstants
Set chConstants = ChartSpace1.Constants
ChartSpace1.Charts(0).SeriesCollection(0).Border _
.Weight = chConstants.owcLineWeightMedium
End Sub