FillFormat.GradientColor1

FillFormat.GradientColor1 property

Returns the gradient color 1 for the specified fill.

public Color GradientColor1 { get; }

Examples

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

namespace AsposeCellsExamples
{
    public class FillFormatPropertyGradientColor1Demo
    {
        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("Item");
            worksheet.Cells["A2"].PutValue("Product A");
            worksheet.Cells["A3"].PutValue("Product B");
            worksheet.Cells["B1"].PutValue("Sales");
            worksheet.Cells["B2"].PutValue(1000);
            worksheet.Cells["B3"].PutValue(2000);

            // Add a chart
            int chartIndex = worksheet.Charts.Add(ChartType.Column, 5, 0, 20, 8);
            Chart chart = worksheet.Charts[chartIndex];
            chart.NSeries.Add("B2:B3", true);
            chart.NSeries.CategoryData = "A2:A3";

            // Get fill format of first series
            FillFormat fillFormat = chart.NSeries[0].Area.FillFormat;
            
            // Create gradient fill using correct parameter types
            fillFormat.SetTwoColorGradient(
                Color.Red, 
                Color.White, 
                GradientStyleType.Horizontal, 
                1); // Gradient variant must be integer (1-4)

            // Get and display gradient color
            Color gradientColor1 = fillFormat.GradientColor1;
            Console.WriteLine("Gradient Color 1: " + gradientColor1);
            Console.WriteLine("Gradient Degree: " + fillFormat.GradientDegree);

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

See Also