Area.Transparency

Area.Transparency property

Returns or sets the degree of transparency of the area as a value from 0.0 (opaque) through 1.0 (clear).

public double Transparency { get; set; }

Examples

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

namespace AsposeCellsExamples
{
    public class AreaPropertyTransparencyDemo
    {
        public static void Run()
        {
            // Create a new workbook
            Workbook workbook = new Workbook();
            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(Aspose.Cells.Charts.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";

            // Access the first series
            Aspose.Cells.Charts.Series series = chart.NSeries[0];

            // Demonstrate Transparency property
            Console.WriteLine("Initial area transparency: " + series.Area.Transparency);
            Console.WriteLine("Initial border transparency: " + series.Border.Transparency);

            // Modify transparency values
            series.Area.Transparency = 0.5; // 50% transparent
            series.Border.Transparency = 0.2; // 20% transparent

            Console.WriteLine("Modified area transparency: " + series.Area.Transparency);
            Console.WriteLine("Modified border transparency: " + series.Border.Transparency);

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

See Also