How to split and merge PDF in C# and .NET


Split and merge PDF

    Now let's get to know another benefit of the library. PDF Metamorphosis .Net offers great abilities to split and merge PDF documents.

Complete code

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

namespace Sample
{
    class Test
    {

        static void Main(string[] args)
        {
			// Before starting, we recommend to get a free 100-day key:
            // https://sautinsoft.com/start-for-free/
            
            // Apply the key here:
			// SautinSoft.PdfMetamorphosis.SetLicense("...");

            SautinSoft.PdfMetamorphosis p = new SautinSoft.PdfMetamorphosis();
            string rtfPath = @"..\..\..\example.rtf";
            string pdfPath = @"..\..\..\test.pdf";

            // Let's create a PDF file from RTF file
            p.PageSettings.Orientation = SautinSoft.PdfMetamorphosis.PageSetting.Orientations.Landscape;

            //Specify page numbers: {1 of N}, font: Verdana, 18
            p.PageSettings.Numbering.Text = "{page} of {numpages}";
            p.PageSettings.Numbering.FontFace = "Verdana";
            p.PageSettings.Numbering.FontSize = 18;
            
            p.RtfToPdfConvertFile(rtfPath, pdfPath);

            #region split PDF file
            //Split PDF by pages: 1st, 2nd, 3rd ...
            p.SplitPDFFileToPDFFolder(pdfPath, Path.GetDirectoryName(pdfPath));
            #endregion

            #region merge PDF files
            //Merge only 1st and 3rd pages
            string[] pdfFiles = { @"..\..\..\test-00001.pdf", @"..\..\..\test-00003.pdf" };
            p.MergePDFFileArrayToPDFFile(pdfFiles, @"..\..\..\test_Split_and_Merge_1and3page.pdf");
            #endregion

            //Show merged PDF (it doesn't have 2nd page)
			System.Diagnostics.Process.Start(new System.Diagnostics.ProcessStartInfo(@"..\..\..\test_Split_and_Merge_1and3page.pdf") { UseShellExecute = true });
        }
    }
}

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Imports System.IO

Module sample

    Sub Main()
			' Before starting, we recommend to get a free 100-day key:
            ' https://sautinsoft.com/start-for-free/
            
            ' Apply the key here:
			' SautinSoft.PdfMetamorphosis.SetLicense("...");


        Dim p As New SautinSoft.PdfMetamorphosis()
        Dim rtfPath As String = "..\..\..\example.rtf"
        Dim pdfPath As String = "..\..\..\test.pdf"

        ' Let's create a PDF file from RTF file
        p.PageSettings.Orientation = SautinSoft.PdfMetamorphosis.PageSetting.Orientations.Landscape

        'Specify page numbers: {1 of N}, font: Verdana, 18
        p.PageSettings.Numbering.Text = "{page} of {numpages}"
        p.PageSettings.Numbering.FontFace = "Verdana"
        p.PageSettings.Numbering.FontSize = 18
        p.RtfToPdfConvertFile(rtfPath, pdfPath)

        'Split PDF by pages: 1st, 2nd, 3rd ...
        p.SplitPDFFileToPDFFolder(pdfPath, Path.GetDirectoryName(pdfPath))

        'Merge only 1st and 3rd pages
        Dim pdfFiles() As String = {"..\..\..\test-00001.pdf", "..\..\..\test-00003.pdf"}
        p.MergePDFFileArrayToPDFFile(pdfFiles, "..\..\..\test_Split_and_Merge_1and3page.pdf")

        'Show merged PDF (it doesn't have 2nd page)
        System.Diagnostics.Process.Start(New System.Diagnostics.ProcessStartInfo("..\..\..\test_Split_and_Merge_1and3page.pdf") With {.UseShellExecute = True})
    End Sub
End Module

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