How to merge PDF files into one PDF file in C# and .NET
Complete code
using System;
using System.IO;
using System.Collections.Generic;
using SautinSoft.PdfVision;
namespace Sample
{
class Program
{
static void Main(string[] args)
{
MergePdfInFiles();
}
public static void MergePdfInFiles()
{
// Before starting, we recommend to get a free 100-day key:
// https://sautinsoft.com/start-for-free/
// Apply the key here:
// SautinSoft.PdfVision.SetLicense("...");
PdfVision v = new PdfVision();
string[] inpFiles = new string[] {@"..\..\..\simple text.pdf", @"..\..\..\table.pdf"};
string outFile = new FileInfo("Result.pdf").FullName;
// Merge PDF files into single document.
int ret = v.MergePdf(inpFiles, outFile);
// 0 - Merged successfully.
// 1 - Error, can't merge PDF documents.
// 2 - Error, can't create the output file, probably it used by another application.
// 3 - Merging failed.
// 4 - Merged successfully, but some files were not merged.
if (ret == 0)
{
// Open the resulting PDF document in a default PDF Viewer.
System.Diagnostics.Process.Start(new System.Diagnostics.ProcessStartInfo(outFile) { UseShellExecute = true });
}
}
}
}
Imports System
Imports System.IO
Imports System.Collections.Generic
Imports SautinSoft.PdfVision
Namespace Sample
Friend Class Program
Shared Sub Main(ByVal args() As String)
MergePdfInFiles()
End Sub
Public Shared Sub MergePdfInFiles()
' Before starting, we recommend to get a free 100-day key:
' https://sautinsoft.com/start-for-free/
' Apply the key here:
' SautinSoft.PdfVision.SetLicense("...");
Dim v As New PdfVision()
Dim inpFiles() As String = {"..\..\..\simple text.pdf", "..\..\..\table.pdf"}
Dim outFile As String = (New FileInfo("Result.pdf")).FullName
' Merge PDF files into single document.
Dim ret As Integer = v.MergePdf(inpFiles, outFile)
' 0 - Merged successfully.
' 1 - Error, can't merge PDF documents.
' 2 - Error, can't create the output file, probably it used by another application.
' 3 - Merging failed.
' 4 - Merged successfully, but some files were not merged.
If ret = 0 Then
' Open the resulting PDF document in a default PDF Viewer.
System.Diagnostics.Process.Start(New System.Diagnostics.ProcessStartInfo(outFile) With {.UseShellExecute = True})
End If
End Sub
End Class
End Namespace
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