Add Launch Action to PDF - C#
PDF SDK sample in C# demonstrating ‘Add Launch Action to PDF’
Program.cs
using System.Diagnostics;
using Bytescout.PDF;
namespace LaunchActionExample
{
/// <summary>
/// This example demonstrates how to create a button that launches an external resource.
/// </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
Page page = new Page(PaperFormat.A4);
pdfDocument.Pages.Add(page);
// Create button
PushButton button = new PushButton(20, 20, 120, 25, "button1");
button.Caption = "Launch sample.txt";
// Create action that opens an external file
LaunchAction launchAction = new LaunchAction(System.IO.Path.GetFullPath("sample.txt"));
button.OnActivated = launchAction;
page.Annotations.Add(button);
// 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);
}
}
}
sample.txt
sample.txt
1234567890
abcdefghijklmnopqrstuvwxyz