How to extract attachments from PDF in ASP.NET, C#, VB.NET, VBScript using PDF Extractor SDK

using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.IO;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using Bytescout.PDFExtractor;
 
namespace ExtractInfo
{
	public partial class _Default : System.Web.UI.Page
	{
		protected void Page_Load(object sender, EventArgs e)
		{
			// This test file will be copied to the project directory on the pre-build event (see the project properties).
			String inputFile = Server.MapPath("attachments.pdf");
 
			// Create Bytescout.PDFExtractor.AttachmentExtractor instance
			AttachmentExtractor extractor = new AttachmentExtractor();
			extractor.RegistrationName = "demo";
			extractor.RegistrationKey = "demo";
 
			// Load sample PDF document
			extractor.LoadDocumentFromFile(inputFile);
 
			Response.Clear();
			Response.ContentType = "text/html";
 
			for (int i = 0; i < extractor.Count; i++)
			{
				Response.WriteLine("Saving attachment:       " + extractor.GetFileName(i) + "
");
				// extractor.Save (i, extractor.GetFileName(i)); // you can save into temp folder or save to Stream object to avoid temp files
				Response.WriteLine("File size: " + extractor.GetSize(i).ToString() + "
");
			}
 
			Response.End();
		}
	}
}

using System;
using Bytescout.PDFExtractor;
 
namespace ExtractInfo
{
	class Program
	{
		static void Main(string[] args)
		{
			// Create Bytescout.PDFExtractor.AttachmentExtractor instance
			AttachmentExtractor extractor = new AttachmentExtractor();
			extractor.RegistrationName = "demo";
			extractor.RegistrationKey = "demo";
 
			// Load sample PDF document
			extractor.LoadDocumentFromFile("attachments.pdf");
 
			for (int i = 0; i < extractor.Count; i++)
			{
				Console.WriteLine("Saving attachment:\t" + extractor.GetFileName(i));
 
				// save file into the current folder
				extractor.Save(i, extractor.GetFileName(i));
 
				Console.WriteLine("Done.");
			}
 
 
			Console.WriteLine();
			Console.WriteLine("Press any key to continue...");
			Console.ReadLine();
		}
	}
}

Imports Bytescout.PDFExtractor
 
Class Program
	Friend Shared Sub Main(args As String())
 
        ' Create Bytescout.PDFExtractor.AttachmentExtractor instance
        Dim extractor As New AttachmentExtractor()
		extractor.RegistrationName = "demo"
		extractor.RegistrationKey = "demo"
 
		' Load sample PDF document
        extractor.LoadDocumentFromFile("attachments.pdf")
 
	For i = 0 to extractor.Count-1 
	        Console.WriteLine("Save attachment:       " + extractor.GetFileName(i))
		Extractor.Save i, extractor.GetFileName (i) ' save into the current folder
	        Console.WriteLine("Done")
	Next
 
 
        Console.WriteLine("Press any key to continue...")
        Console.ReadLine()
 
	End Sub
End Class

' Create Bytescout.PDFExtractor.AttachmentExtractor object
Set AttachmentExtractor = CreateObject("Bytescout.PDFExtractor.AttachmentExtractor")
AttachmentExtractor.RegistrationName = "demo"
AttachmentExtractor.RegistrationKey = "demo"
 
 
' Load sample PDF document with embedded attachments
AttachmentExtractor.LoadDocumentFromFile("..\..\attachments.pdf")
 
 
' walk through attachments and save them
For I = 0 To AttachmentExtractor.Count-1
 
 AttachmentExtractor.Save i, AttachmentExtractor.GetFileName (I) ' save in the current folder with original filename
 
Next
 
MsgBox "Done: " & CStr(AttachmentExtractor.Count) & " attachments extracted"
 
Set extractor = Nothing