How to merge PDF files in memory using C# and VB.Net

How to merge PDF files in memory
using C# and VB.Net.

Complete code

using System;
using System.IO;
using System.Collections.Generic;

namespace Sample
    class Test

        static void Main(string[] args)

            // Merge PDF in memory.
            SautinSoft.PdfVision v = new SautinSoft.PdfVision();

            //v.Serial = "XXXXXXXXXXXXXXX";

            // Merge two PDF files.
            string[] inpFiles = new string[] { @"..\..\simple text.pdf", @"..\..\table.pdf" };
            FileInfo singlePdf = new FileInfo("single.pdf");

            List<byte[]> inpFilesByte = new List<byte[]>();

            // Fill the pdfBytesList.
            foreach (string inpFile in inpFiles)

            byte[] pdfBytes = v.MergePDFStreamArrayToPDFStream(inpFilesByte);

            if (pdfBytes != null)
                File.WriteAllBytes(singlePdf.FullName, pdfBytes);
                System.Diagnostics.Process.Start(new System.Diagnostics.ProcessStartInfo(singlePdf.FullName) { UseShellExecute = true });


            Imports System
Imports System.IO
Imports System.Collections.Generic

Namespace Sample
	Friend Class Test

		Shared Sub Main(ByVal args() As String)

			' Merge PDF in memory.
			Dim v As New SautinSoft.PdfVision()

			'v.Serial = "XXXXXXXXXXXXXXX"

			' Merge two PDF files.
			Dim inpFiles() As String = { "..\..\simple text.pdf", "..\..\table.pdf" }

			Dim singlePdf As New FileInfo("single.pdf")

			Dim inpFilesByte As New List(Of Byte())()

			' Fill the pdfBytesList.
			For Each inpFile As String In inpFiles
			Next inpFile

			Dim pdfBytes() As Byte = v.MergePDFStreamArrayToPDFStream(inpFilesByte)

			If pdfBytes IsNot Nothing Then
				File.WriteAllBytes(singlePdf.FullName, pdfBytes)
				System.Diagnostics.Process.Start(New System.Diagnostics.ProcessStartInfo(singlePdf.FullName) With {.UseShellExecute = True})
			End If
		End Sub
	End Class
End Namespace


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