I think you should be able to get a similar image using code such as this:
private void InitializeChart()
{
Donut series = new Donut(tChart1.Chart);
series.FillSampleValues();
series.Marks.Visible = true;
series.Marks.Transparent = true;
series.Marks.Arrow.Visible = false;
series.Marks.ArrowLength = -10;
}
Please let me know if that isn't what you're looking for.