Page Comparison

/* IMPORTANT!
** For using this example you need to uncheck the "Allow generation of asynchronous operation" option in advanced Service Reference settings*/

using System;
using System.Data;
using System.IO;
using YourServiceReferenceHere;

namespace ConsoleApp2
{
    class Program
    {
        public static SecurityToken GetAuth()
        {
            SecurityToken securityToken = new SecurityToken()
            {
                Username = "Student Portal",
                UserId = -2,
                DashboardAdmin = true
            };

            return securityToken;
        }
        static void Main(string[] args)
        {
            GetFileFromDocumentRequirementFileAttachmentById(/*documentRequirementIdFileAttachmentId*/, /*Target folder path*/);
        }
		static void GetFileFromDocumentRequirementFileAttachmentById(int documentRequirementIdFileAttachmentId, string targetFolder)
        {
            using (var client = new RegentEnterpriseServiceClient())
            {
                var request = new GetDocumentRequirementFileAttachmentRequest
                {
                    SecurityToken = GetAuth(),
                    Id = documentRequirementIdFileAttachmentId,
                    IdSpecified = true,
                };

                var record = client.getDocumentRequirementFileAttachment(request).Record;
                
                if (record.StoredFile.Length > 0)
                {
                    File.WriteAllBytes(Path.Combine(targetFolder, record.FileName), record.StoredFile);
                }
            }
        }
    }
}