Picture.Formula

public string Formula { get; set; }

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

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

            // Add a picture to the worksheet
            int pictureIndex = worksheet.Pictures.Add(0, 0, "example.jpg");
            Picture picture = worksheet.Pictures[pictureIndex];

            // Set formula for the picture
            picture.Formula = "A1:A3";
            Console.WriteLine("Picture Formula: " + picture.Formula);

            // Change the formula
            picture.Formula = "B1:B3";
            Console.WriteLine("Updated Picture Formula: " + picture.Formula);

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