Legend.GetLegendLabels

Legend.GetLegendLabels method

Gets the labels of the legend entries after call Chart.Calculate() method.

public string[] GetLegendLabels()

Examples

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

namespace AsposeCellsExamples
{
    public class LegendMethodGetLegendLabelsDemo
    {
        public static void Run()
        {
            // Create a new workbook
            Workbook workbook = new Workbook();
            
            // Access first worksheet
            Worksheet worksheet = workbook.Worksheets[0];
            
            // Add sample data for chart
            worksheet.Cells["A1"].PutValue("Category");
            worksheet.Cells["A2"].PutValue("A");
            worksheet.Cells["A3"].PutValue("B");
            worksheet.Cells["A4"].PutValue("C");
            worksheet.Cells["B1"].PutValue("Value");
            worksheet.Cells["B2"].PutValue(10);
            worksheet.Cells["B3"].PutValue(20);
            worksheet.Cells["B4"].PutValue(30);
            
            // Add a chart
            int chartIndex = worksheet.Charts.Add(ChartType.Column, 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";
            
            // Calculate chart
            chart.Calculate();
            
            // Get legend labels
            string[] legendLabels = chart.Legend.GetLegendLabels();
            
            // Display legend labels
            Console.WriteLine("Legend Labels:");
            foreach (string label in legendLabels)
            {
                Console.WriteLine(label);
            }
        }
    }
}

See Also