920560 Added PDF Attachments with Interactive Launch Buttons

Attachment/Adding-PDF-Attachments-with-Interactive-Launch-Buttons/.NET/Adding-PDF-Attachments-with-Interactive-Launch-Buttons.sln

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+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.12.35707.178 d17.12
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Adding-PDF-Attachments-with-Interactive-Launch-Buttons", "Adding-PDF-Attachments-with-Interactive-Launch-Buttons\Adding-PDF-Attachments-with-Interactive-Launch-Buttons.csproj", "{2BAE2C1D-2436-4DE8-A255-F0CD3CE3BFE4}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{2BAE2C1D-2436-4DE8-A255-F0CD3CE3BFE4}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{2BAE2C1D-2436-4DE8-A255-F0CD3CE3BFE4}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{2BAE2C1D-2436-4DE8-A255-F0CD3CE3BFE4}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{2BAE2C1D-2436-4DE8-A255-F0CD3CE3BFE4}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+EndGlobal

Attachment/Adding-PDF-Attachments-with-Interactive-Launch-Buttons/.NET/Adding-PDF-Attachments-with-Interactive-Launch-Buttons/Adding-PDF-Attachments-with-Interactive-Launch-Buttons.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net8.0</TargetFramework>
+    <RootNamespace>Handle_attachments_in_PDF</RootNamespace>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Syncfusion.Pdf.Net.Core" Version="*" />
+  </ItemGroup>
+
+</Project>

Attachment/Adding-PDF-Attachments-with-Interactive-Launch-Buttons/.NET/Adding-PDF-Attachments-with-Interactive-Launch-Buttons/Program.cs

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+using Syncfusion.Pdf.Graphics;
+using Syncfusion.Pdf.Interactive;
+using Syncfusion.Pdf.Parsing;
+using Syncfusion.Pdf;
+using Syncfusion.Drawing;
+using System.Reflection.Metadata;
+
+//Create FileStream object to read the input PDF file
+using (FileStream inputFileStream = new FileStream(Path.GetFullPath(@"Data/Input.pdf"), FileMode.Open, FileAccess.Read))
+{
+    // Load the existing PDF file
+    PdfLoadedDocument loadedDocument = new PdfLoadedDocument(inputFileStream);
+
+    // Get the first page of the PDF
+    PdfLoadedPage lpage = loadedDocument.Pages[0] as PdfLoadedPage;
+
+    // Create a PDF attachment
+    PdfAttachment attachment = new PdfAttachment("Attachment.pdf", File.ReadAllBytes(Path.GetFullPath(@"Data/Attachment.pdf")));
+    attachment.Description = "PDF Attachment";
+
+    // Create attachments section if it doesn't exist
+    if (loadedDocument.Attachments == null)
+        loadedDocument.CreateAttachment();
+
+    // Add the attachment to the document
+    loadedDocument.Attachments.Add(attachment);
+
+    // Create a button field on the page
+    PdfButtonField buttonField = new PdfButtonField(lpage, "Button");
+    buttonField.Bounds = new RectangleF(100, 100, 100, 20);
+    buttonField.BorderColor = new PdfColor(Color.Black);
+    buttonField.BackColor = new PdfColor(Color.LightGray);
+    buttonField.Text = "Click Me";
+    buttonField.Font = new PdfStandardFont(PdfFontFamily.Helvetica, 12);
+
+    // Add JavaScript action to open the attachment
+    buttonField.Actions.MouseUp = new PdfJavaScriptAction("this.exportDataObject({ cName: \"Attachment.pdf\", nLaunch: 2 });");
+
+    // Create a form if it doesn't exist
+    if (loadedDocument.Form == null)
+        loadedDocument.CreateForm();
+
+    // Add the button field to the form
+    loadedDocument.Form.Fields.Add(buttonField);
+
+    // Set default appearance for form fields
+    loadedDocument.Form.SetDefaultAppearance(false);
+
+    //Create file stream.
+    using (FileStream outputFileStream = new FileStream(Path.GetFullPath(@"Output/Output.pdf"), FileMode.Create, FileAccess.ReadWrite))
+    {
+        //Save the PDF document to file stream.
+        loadedDocument.Save(outputFileStream);
+    }
+
+    //Close the document.
+    loadedDocument.Close(true);
+}