The SeriesCollection class contains the set of data series in a worksheet.

[DefaultMember("Item")]
 public sealed class SeriesCollection : System.Collections.Generic.IEnumerable<Series>

<DefaultMember("Item")> _
	Public NotInheritable Class SeriesCollection
		Implements System.Collections.Generic.IEnumerable(Of Series)

To return a SeriesCollection object, use Chart.SeriesCollection.