ES-957423- Add the sample MailMerge-signed-PDF-each-entry

Word-to-PDF-Conversion/MailMerge-signed-PDF-each-entry/.NET/MailMerge-signed-PDF-each-entry.sln

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+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.12.35527.113 d17.12
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "MailMerge-signed-PDF-each-entry", "MailMerge-signed-PDF-each-entry\MailMerge-signed-PDF-each-entry.csproj", "{5B0540C8-1A4D-4BB4-A0B9-10028D140E00}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{5B0540C8-1A4D-4BB4-A0B9-10028D140E00}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{5B0540C8-1A4D-4BB4-A0B9-10028D140E00}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{5B0540C8-1A4D-4BB4-A0B9-10028D140E00}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{5B0540C8-1A4D-4BB4-A0B9-10028D140E00}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+EndGlobal

Word-to-PDF-Conversion/MailMerge-signed-PDF-each-entry/.NET/MailMerge-signed-PDF-each-entry/MailMerge-signed-PDF-each-entry.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net8.0</TargetFramework>
+    <RootNamespace>MailMerge_signed_PDF_each_entry</RootNamespace>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Syncfusion.DocIORenderer.Net.Core" Version="*" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <None Update="Data\Template.docx">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </None>
+    <None Update="Output\.gitkeep">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </None>
+  </ItemGroup>
+
+</Project>

Word-to-PDF-Conversion/MailMerge-signed-PDF-each-entry/.NET/MailMerge-signed-PDF-each-entry/Output/.gitkeep

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+

Word-to-PDF-Conversion/MailMerge-signed-PDF-each-entry/.NET/MailMerge-signed-PDF-each-entry/Program.cs

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+using Syncfusion.DocIO.DLS;
+using Syncfusion.DocIORenderer;
+using Syncfusion.Pdf;
+using Syncfusion.Pdf.Interactive;
+using Syncfusion.Pdf.Parsing;
+using Syncfusion.Drawing;
+
+
+// Load the Word document
+using (WordDocument document = new WordDocument(Path.GetFullPath(@"Data/Template.docx")))
+{
+    // Get the recipient details as a list of .NET objects
+    List<Recipient> recipients = GetRecipients();
+
+    // Perform mail merge using the recipient data
+    document.MailMerge.Execute(recipients);
+
+    // Initialize the DocIO to PDF converter
+    using (DocIORenderer renderer = new DocIORenderer())
+    {
+        // Preserve form fields (textboxes, checkboxes, etc.)
+        renderer.Settings.PreserveFormFields = true;
+
+        // Convert the merged Word document to PDF
+        using (PdfDocument pdfDocument = renderer.ConvertToPDF(document))
+        {
+            // Save the PDF to memory stream
+            using (MemoryStream stream = new MemoryStream())
+            {
+                pdfDocument.Save(stream);
+                stream.Position = 0;
+
+                // Add digital signature fields in place of textboxes
+                AddSignatureField(stream, "Signature");
+            }
+        }
+    }
+}
+
+
+#region Mail Merge Data
+/// <summary>
+/// Gets the data to perform mail merge.
+/// </summary>
+/// <returns>List of recipient details.</returns>
+List<Recipient> GetRecipients()
+{
+    List<Recipient> recipients = new List<Recipient>();
+    // Initialize sample recipient data
+    recipients.Add(new Recipient("Nancy Davolio", "NorthWinds", "507 - 20th Ave. E.Apt. 2A", "507-345-2309"));
+    recipients.Add(new Recipient("Janet Leverling", "NorthWinds", "722 Moss Bay Blvd.", "542-754-2843"));
+    return recipients;
+}
+#endregion
+
+#region Add Digital Signature Field
+/// <summary>
+/// Replaces text box fields in the PDF with signature fields at the same positions.
+/// </summary>
+/// <param name="stream">PDF stream to modify.</param>
+/// <param name="bookmarkTitle">Placeholder text to identify the field (not used directly in this sample).</param>
+void AddSignatureField(MemoryStream stream,  string bookmarkTitle)
+{
+    // Load the generated PDF document
+    using (PdfLoadedDocument loadedDocument = new PdfLoadedDocument(stream))
+    {
+        // Access the form fields in the PDF
+        PdfLoadedForm loadedForm = loadedDocument.Form;
+
+        // Loop through each form field
+        for (int i = loadedForm.Fields.Count - 1; i >= 0; i--)
+        {
+            if (loadedForm.Fields[i] is PdfLoadedTextBoxField)
+            {
+                // Get the loaded text box field
+                PdfLoadedTextBoxField loadedTextBoxField = loadedForm.Fields[i] as PdfLoadedTextBoxField;
+
+                // Get its bounds and page to use for placing the signature field
+                RectangleF bounds = loadedTextBoxField.Bounds;
+                PdfPageBase loadedPage = loadedTextBoxField.Page;
+
+                // Create a signature field with the same name and location
+                PdfSignatureField signatureField = new PdfSignatureField(loadedPage, loadedTextBoxField.Text.Trim());
+                signatureField.Bounds = bounds;
+
+                // Add the signature field to the document
+                loadedDocument.Form.Fields.Add(signatureField);
+
+                // Remove the original textbox field
+                loadedDocument.Form.Fields.Remove(loadedTextBoxField);
+            }
+        }
+
+        // Save the modified PDF with signature fields
+        using (FileStream outputFile = new FileStream(Path.GetFullPath(@"../../../Output/Result.pdf"), FileMode.Create))
+        {
+            loadedDocument.Save(outputFile);
+        }
+    }
+}
+#endregion
+
+/// <summary>
+/// Represents the Recipient details for the mail merge.
+/// </summary>
+class Recipient
+{
+    public string FirstName { get; set; }
+    public string CompanyName { get; set; }
+    public string Address { get; set; }
+    public string PhoneNumber { get; set; }
+
+    public Recipient(string firstName, string companyName, string address, string phone)
+    {
+        FirstName = firstName;
+        CompanyName = companyName;
+        Address = address;
+        PhoneNumber = phone;
+    }
+}
+