[]
Gets the number of chart groups in the collection.
The returned value indicates how many IChartGroup objects are contained in this IChartGroups collection for the chart.
int Count { get; }
ReadOnly Property Count As Integer
worksheet.Range["A1:C4"].Value = new object[,] {
{"Month", "Sales", "Target"},
{"Jan", 100, 120},
{"Feb", 140, 130},
{"Mar", 160, 150}
};
IChart chart = worksheet.Shapes.AddChart(ChartType.ColumnClustered, 20, 20, 300, 200).Chart;
chart.SeriesCollection.Add(worksheet.Range["B1:C4"]);
chart.SeriesCollection[1].ChartType = ChartType.Line;
int count = chart.ChartGroups.Count;