ChartGroup.HasSeriesLines Property (Excel)
True if a stacked column chart or bar chart has series lines or if a Pie of Pie chart or Bar of Pie chart has connector lines between the two sections. Applies only to 2-D stacked bar, 2-D stacked column, pie of pie, or bar of pie charts. Read/write Boolean.
This example turns on series lines for chart group one in Chart1 and then sets their line style, weight, and color. The example should be run on a 2-D stacked column chart that has two or more series.