Programmatically merging PDF files is a common requirement in various business scenarios, such as consolidating reports, merging scanned documents, or combining multiple PDF files into a single file for distribution. In C# and .NET this can be achieved using the SautinSoft.Pdf .Net library.
To combine PDF files using C# and .NET, follow these steps:
Combining PDF files in C# and .NET is a simple task using the SautinSoft.Pdf .Net library. By following the steps described above, you can combine multiple PDF documents into a single file with minimal effort. This functionality is necessary for applications that need to perform document management tasks.
Complete code
using System;
using System.IO;
using System.Collections.Generic;
using SautinSoft;
using SautinSoft.Pdf;
using SautinSoft.Pdf.Content;
using SautinSoft.Pdf.Facades;
namespace Sample
{
class Sample
{
/// <summary>
/// Merge PDF files.
/// </summary>
/// <remarks>
/// Details: https://sautinsoft.com/products/pdf/help/net/developer-guide/merge-pdf-files.php
/// </remarks>
static void Main(string[] args)
{
// Before starting this example, please get a free 100-day trial key:
// https://sautinsoft.com/start-for-free/
// Apply the key here:
// PdfDocument.SetLicense("...");
MergePdfFiles();
}
static void MergePdfFiles()
{
var inpFiles = new List<string>(Directory.GetFiles(Path.GetFullPath(@"..\..\..\"), "*.pdf"));
string outFile = Path.GetFullPath(@"Merged.pdf");
// Create a PDF merger.
var merger = new PdfMerger();
// Merge multiple PDF documents to the one.
foreach (var inpFile in inpFiles)
merger.Append(inpFile);
merger.Save(outFile);
// Show the result.
System.Diagnostics.Process.Start(new System.Diagnostics.ProcessStartInfo(outFile) { UseShellExecute = true });
}
}
}
Option Infer On
Imports System
Imports System.IO
Imports System.Collections.Generic
Imports SautinSoft
Imports SautinSoft.Pdf
Imports SautinSoft.Pdf.Content
Imports SautinSoft.Pdf.Facades
Namespace Sample
Friend Class Sample
''' <summary>
''' Merge PDF files.
''' </summary>
''' <remarks>
''' Details: https://sautinsoft.com/products/pdf/help/net/developer-guide/merge-pdf-files.php
''' </remarks>
Shared Sub Main(ByVal args() As String)
' Before starting this example, please get a free license:
' https://sautinsoft.com/start-for-free/
' Apply the key here:
' PdfDocument.SetLicense("...");
MergePdfFiles()
End Sub
Private Shared Sub MergePdfFiles()
Dim inpFiles = New List(Of String)(Directory.GetFiles(Path.GetFullPath("..\..\..\"), "*.pdf"))
Dim outFile As String = Path.GetFullPath("Merged.pdf")
' Create a PDF merger.
Dim merger = New PdfMerger()
' Merge multiple PDF documents to the one.
For Each inpFile In inpFiles
merger.Append(inpFile)
Next inpFile
merger.Save(outFile)
' Show the result.
System.Diagnostics.Process.Start(New System.Diagnostics.ProcessStartInfo(outFile) With {.UseShellExecute = True})
End Sub
End Class
End Namespace
In the example above, you can see that the source PDF file is combined and the pages cloned into a new PDF.Net, which is then saved to a PDF file.
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