' This example demonstrates how to create a button that launches an external resource.

' Create Bytescout.PDF.Document object
Set pdfDocument = CreateObject("Bytescout.PDF.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")

Set comHelpers = pdfDocument.ComHelpers

' Add page
Set page1 = comHelpers.CreatePage(comHelpers.PAPERFORMAT_A4)
pdfDocument.Pages.Add(page1)

' Create button
Set button1 = comHelpers.CreatePushButton(20, 20, 120, 25, "button1")
button1.Caption = "Launch sample.txt"
' Create action that opens an external file
Set launchAction = comHelpers.CreateLaunchAction("sample.txt")
button1.OnActivated = launchAction
page1.Annotations.Add(button1)

' Save document to file
pdfDocument.Save("result.pdf")

' Open document in default PDF viewer app
Set shell = CreateObject("WScript.Shell")
shell.Run "result.pdf", 1, false

sample.txt

1234567890
abcdefghijklmnopqrstuvwxyz