How to create a button that launches an external resource using ByteScout PDF SDK

The example demonstrates how to create a button that launches an external resource using ByteScout PDF SDK.

Program.vb:

VB

'*******************************************************************
'       ByteScout PDF SDK
'                                                                   
'       Copyright © 2016 Bytescout, https://bytescout.com        
'       ALL RIGHTS RESERVED                                         
'                                                                   
'*******************************************************************

Imports Bytescout.PDF

''' <summary>
''' This example demonstrates how to create a button that launches an external resource.
''' </summary>
Class Program

    Shared Sub Main()

        ' Create new document
        Dim pdfDocument = New Document()
        pdfDocument.RegistrationName = "demo"
		pdfDocument.RegistrationKey = "demo"
        ' Add page
        Dim page = New Page(PaperFormat.A4)
        pdfDocument.Pages.Add(page)

        ' Create button
        Dim button = New PushButton(20, 20, 120, 25, "button1")
        button.Caption = "Launch sample.txt"
        ' Create action that opens an external file
        Dim launchAction = New LaunchAction(IO.Path.GetFullPath("sample.txt"))
        button.OnActivated = launchAction
        page.Annotations.Add(button)

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

        ' Cleanup 
		pdfDocument.Dispose()

        ' Open document in default PDF viewer app
        Process.Start("result.pdf")

    End Sub

End Class 

Program.cs:

C#

//*******************************************************************
//       ByteScout PDF SDK		                                     
//                                                                   
//       Copyright © 2016 ByteScout - https://bytescout.com       
//       ALL RIGHTS RESERVED                                         
//                                                                   
//*******************************************************************

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";
			// 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 document in default PDF viewer app
			Process.Start("result.pdf");
		}
	}
}