Workbook.GetDigitalSignature

Workbook.GetDigitalSignature method

Gets digital signature from file.

public DigitalSignatureCollection GetDigitalSignature()

Examples

namespace AsposeCellsExamples
{
    using Aspose.Cells;
    using Aspose.Cells.DigitalSignatures;
    using System;

    public class WorkbookMethodGetDigitalSignatureDemo
    {
        public static void Run()
        {
            // Create a new workbook
            Workbook workbook = new Workbook();

            // Access the first worksheet
            Worksheet worksheet = workbook.Worksheets[0];

            // Add some data for context
            worksheet.Cells["A1"].Value = "Sample Data";

            try
            {
                // Call the GetDigitalSignature method to retrieve digital signatures
                DigitalSignatureCollection digitalSignatures = workbook.GetDigitalSignature();

                // Display information about the digital signatures
                if (digitalSignatures != null)
                {
                    int count = 0;
                    foreach (var signature in digitalSignatures)
                    {
                        count++;
                    }
                    Console.WriteLine("Number of digital signatures: " + count);
                    Console.WriteLine("GetDigitalSignature method called successfully");
                }
                else
                {
                    Console.WriteLine("No digital signatures found");
                }

                // Save the workbook
                workbook.Save("GetDigitalSignatureDemo.xlsx");
            }
            catch (Exception ex)
            {
                Console.WriteLine("Error calling GetDigitalSignature: " + ex.Message);
            }
        }
    }
}

See Also