On a 2-D chart, returns an object that represents either a single doughnut chart group (a ChartGroup object) or a collection of the doughnut chart groups (a ChartGroups collection).
expression.DoughnutGroups(Index)
expression Required. An expression that returns a Chart object.
Index Optional Variant. Specifies the chart group.
Example
This example sets the starting angle for doughnut group one in Chart1.
Charts("Chart1").DoughnutGroups(1).FirstSliceAngle = 45