Series.DoughnutHoleSize

Series.DoughnutHoleSize property

Returns or sets the size of the hole in a doughnut chart group. The hole size is expressed as a percentage of the chart size, between 10 and 90 percent.

public int DoughnutHoleSize { get; set; }

Examples

using System;
using Aspose.Cells;
using Aspose.Cells.Charts;

namespace AsposeCellsExamples
{
    public class SeriesPropertyDoughnutHoleSizeDemo
    {
        public static void Run()
        {
            // Create a new workbook
            Workbook workbook = new Workbook();
            Worksheet worksheet = workbook.Worksheets[0];

            // Add sample data for the chart
            worksheet.Cells["A1"].PutValue("Category");
            worksheet.Cells["A2"].PutValue("Apple");
            worksheet.Cells["A3"].PutValue("Orange");
            worksheet.Cells["A4"].PutValue("Banana");
            worksheet.Cells["B1"].PutValue("Value");
            worksheet.Cells["B2"].PutValue(50);
            worksheet.Cells["B3"].PutValue(30);
            worksheet.Cells["B4"].PutValue(20);

            // Add a doughnut chart
            int chartIndex = worksheet.Charts.Add(ChartType.Doughnut, 5, 0, 20, 8);
            Aspose.Cells.Charts.Chart chart = worksheet.Charts[chartIndex];

            // Set chart data range
            chart.NSeries.Add("B2:B4", true);
            chart.NSeries.CategoryData = "A2:A4";

            // Set doughnut hole size (percentage of chart radius)
            chart.NSeries[0].DoughnutHoleSize = 25;

            // Save the workbook
            workbook.Save("DoughnutHoleSizeDemo.xlsx");
        }
    }
}

See Also