Add JavaScript Action to PDF - C#
PDF SDK sample in C# demonstrating ‘Add JavaScript Action to PDF’
Program.cs
using System.Diagnostics;
using Bytescout.PDF;
namespace JavaScriptActionExample
{
/// <summary>
/// This example demonstrates how to add JavaScript actions to document events.
/// </summary>
class Program
{
static void Main()
{
// Create new document
Document pdfDocument = new Document();
pdfDocument.RegistrationName = "demo";
pdfDocument.RegistrationKey = "demo";
// If you wish to load an existing document uncomment the line below and comment the Add page section instead
// pdfDocument.Load(@".\existing_document.pdf");
// Add page
pdfDocument.Pages.Add(new Page(PaperFormat.A4));
// Add action to document open event
JavaScriptAction onOpenDocument = new JavaScriptAction("app.alert(\"OnOpenDocument\",3)");
pdfDocument.OnOpenDocument = onOpenDocument;
// Add action to document close event
JavaScriptAction onBeforeClosing = new JavaScriptAction("app.alert(\"OnBeforeClosing\",3)");
pdfDocument.OnBeforeClosing = onBeforeClosing;
// Save document to file
pdfDocument.Save("result.pdf");
// Cleanup
pdfDocument.Dispose();
// Open result document in default associated application (for demo purpose)
ProcessStartInfo processStartInfo = new ProcessStartInfo("result.pdf");
processStartInfo.UseShellExecute = true;
Process.Start(processStartInfo);
}
}
}