LegendEntryCollection.Item

LegendEntryCollection indexer

Gets the LegendEntry element at the specified index.

public LegendEntry this[int index] { get; }
ParameterDescription
indexThe zero based index of the element.

Return Value

The element at the specified index.

Examples

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

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

            // Add sample data
            worksheet.Cells["A1"].PutValue("Category 1");
            worksheet.Cells["A2"].PutValue(10);
            worksheet.Cells["A3"].PutValue(20);
            worksheet.Cells["B1"].PutValue("Category 2");
            worksheet.Cells["B2"].PutValue(30);
            worksheet.Cells["B3"].PutValue(40);

            // Create a chart
            int chartIndex = worksheet.Charts.Add(ChartType.Column, 5, 0, 15, 5);
            Chart chart = worksheet.Charts[chartIndex];
            
            // Set chart data range
            chart.NSeries.Add("A2:B3", true);
            chart.NSeries.CategoryData = "A1:B1";

            // Access legend entries
            LegendEntryCollection legendEntries = chart.Legend.LegendEntries;
            
            // Demonstrate Item property usage
            for (int i = 0; i < legendEntries.Count; i++)
            {
                LegendEntry entry = legendEntries[i];
                Console.WriteLine($"Legend Entry {i}:");
                Console.WriteLine($"- Font: {entry.Font.Name}");
                Console.WriteLine($"- Auto Scale Font: {entry.AutoScaleFont}");
            }

            // Modify first legend entry
            if (legendEntries.Count > 0)
            {
                legendEntries[0].Font.Name = "Arial";
                legendEntries[0].Font.Size = 12;
                legendEntries[0].AutoScaleFont = false;
            }
        }
    }
}

See Also