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ChartSheet.DoughnutGroups Method

On a 2-D Microsoft.Office.Tools.Excel.ChartSheet, 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).

Namespace: Microsoft.Office.Tools.Excel
Assembly: Microsoft.Office.Tools.Excel (in

public virtual Object DoughnutGroups (
	[OptionalAttribute] Object Index



Specifies the chart group.

Optional Parameters

For information on optional parameters, see Understanding Optional Parameters in COM Interop.

The following code example uses the DoughnutGroups method to set the doughnut hole size in the current Microsoft.Office.Tools.Excel.ChartSheet.

private void UseDoughnutGroups()
    Globals.Sheet1.Range["A1", "A5"].Value2 = 22;
    Globals.Sheet1.Range["B1", "B5"].Value2 = 55;

    this.SetSourceData(Globals.Sheet1.Range["A1", "B5"],
    this.ChartType = Excel.XlChartType.xlDoughnut;

    Excel.ChartGroup group =
    group.DoughnutHoleSize = 80;