Weight Property

XlBorderWeight

XlBorderWeight can be one of these XlBorderWeight constants.
xlHairline
xlThin

xlMedium

xlThick

expression.Weight

*expression   * Required. An expression that returns one of the objects in the Applies To list.

Example

This example sets the border weight for the chart area.

myChart.ChartArea.Border.Weight = xlMedium

Applies to | Border Object