The sample code in this folder is an example of how to generate the Office 2016 Sunburst chart type using the SDK.
The important function in program.cs is in:
private void CreateParts(PresentationDocument document)
And in there, find:
// This is the generation of the new Sunburst ChartPart
ExtendedChartPart chartPart1 = slidePart1.AddNewPart<ExtendedChartPart>("rId2");
GenerateExtendedChartPart1Content(chartPart1);
Pay attention to the C16
namespace prefix being used. Many of the chart types (classes) in the C
(2007) namespace are the same as those in the newer C16
(2016) but will have slight or considerable differences.