How to use Microsoft.Office.Interop.Excel to set the parameters of a series with 100% overlap?

Question

excel

In the histogram properties in Excel, there is a "Format Data Series" window.
I need to set the following settings in C# when plotting charts, as in the figure below, but unfortunately I can’t find where they are.

Answer 1

Thank you all for your attention, I found a solution.
Excel.ChartGroupgroup = chart.ChartGroups(1);
group.Overlap = 100;
group.GapWidth = 0;