public partial class FrmMain : Form
    {
        private BatchProcessor batchProcessor;
        private BatchManager batchManager;

        public FrmMain()
        {
            InitializeComponent();
        }

        private void BatchPolling()
        {
            // ...
        }

        private void UpdateUI()
        {
            // ... Do custom stuff here ...
        }

        private void FrmMain_Load(object sender, EventArgs e)
        {
            try
            {
                batchProcessor = new BatchProcessor();
                batchManager = new BatchManager(batchProcessor.CustomModuleId);

                batchManager.LoginToRuntimeSession();

                timerBatchPolling.Enabled = true;
            }
            catch (Exception exception)
            {
                throw exception;
            }
        }

        private void FrmMain_FormClosed(object sender, FormClosedEventArgs e)
        {
            timerBatchPolling.Enabled = false;

            try
            {
                // ...
            }
            catch (Exception exception)
            {
                throw exception;
            }
        }

        private void timerBatchPolling_Tick(object sender, EventArgs e)
        {
            BatchPolling();
            UpdateUI();
        }
    }











    internal class BatchProcessor
    {
        private const string CUSTOM_MODULE_ID = "StampOnScanProcess";
        private const string BATCH = "Batch";
        private const string DOCUMENTS = "Documents";
        private const string DOCUMENT = "Document";
        private const string PDF_GENERATION_FILE_NAME = "PDFGenerationFileName";

        public string CustomModuleId { get { return CUSTOM_MODULE_ID; } }

        public void Process(IBatch batch)
        {
            IACDataElement rootElement = batch.ExtractRuntimeACDataElement(0);
            IACDataElement batchElement = rootElement.FindChildElementByName(BATCH);

            IACDataElementCollection currentDocuments = batchElement.FindChildElementByName(DOCUMENTS).FindChildElementsByName(DOCUMENT);

            for (int i = 0; i < currentDocuments.Count; i++)
            {
                int currentPageIndex = i + 1;
                IACDataElement currentDocument = currentDocuments[currentPageIndex];
                string documentFilePath = currentDocument[PDF_GENERATION_FILE_NAME];

                // !!! Manipulate the PDF file here !!!
            }
        }
    }













    internal class BatchManager
    {
        private Login currentSession;

        public BatchManager(string customModuleId)
        {
            // ...
        }

        public void LoginToRuntimeSession()
        {
            if (currentSession == null)
            {
                currentSession = new Login();
                string applicationName = Application.ExecutablePath;
                // strPathName = Right(strPathName, 12);
                // strPathName = Left(strPathName, 8);

                currentSession.Login();
                currentSession.ApplicationName = applicationName;
            }

            // currentSession.ValidateUser(/* UniqueID */);

            IRuntimeSession runtimeSession = null; // DirectCast(currentSession.RuntimeSession, RuntimeSession);

            runtimeSession.BatchAvailable += RuntimeSession_BatchAvailable;
        }

        private void RuntimeSession_BatchAvailable()
        {
            // ...
        }
    }