Convert PDF file to Black&White Multipage-TIFF in C# and .NET


Complete code

using System;
using System.IO;
using System.Drawing;
using System.Drawing.Imaging;

namespace Sample
{
    class Sample
    {
        static void Main(string[] args)
        {
                                  // Get your free 30-day key here:   
			 // https://sautinsoft.com/start-for-free/
			
            // Convert PDF file to BlackAndWhite Multipage-TIFF.
            SautinSoft.PdfFocus f = new SautinSoft.PdfFocus();

            string pdfPath = Path.GetFullPath(@"..\..\..\simple text.pdf");
            string tiffPath = "Result.tiff";

            f.OpenPdf(pdfPath);

            if (f.PageCount > 0)
            {
                f.ImageOptions.Dpi = 200;
                f.ImageOptions.ColorDepth = SautinSoft.PdfFocus.CImageOptions.eColorDepth.BlackWhite1bpp;
                // EncoderValue.CompressionCCITT4 - also makes image black&white 1 bit
                f.ImageOptions.TIFFCompressionType = SautinSoft.PdfFocus.eTIFFCompressionType.CCITTFAX4;
                
                if (f.ToMultipageTiff(tiffPath) == 0)
                {
                    System.Diagnostics.Process.Start(new System.Diagnostics.ProcessStartInfo(tiffPath) { UseShellExecute = true });
                }
            }            
        }
    }
}

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Imports System
Imports System.IO
Imports System.Drawing
Imports System.Drawing.Imaging

Namespace Sample
	Friend Class Sample
		Shared Sub Main(ByVal args() As String)
								  ' Get your free 30-day key here:   
			 ' https://sautinsoft.com/start-for-free/

			' Convert PDF file to BlackAndWhite Multipage-TIFF.
			Dim f As New SautinSoft.PdfFocus()

			Dim pdfPath As String = Path.GetFullPath("..\..\..\simple text.pdf")
			Dim tiffPath As String = "Result.tiff"

			f.OpenPdf(pdfPath)

			If f.PageCount > 0 Then
				f.ImageOptions.Dpi = 200
				f.ImageOptions.ColorDepth = SautinSoft.PdfFocus.CImageOptions.eColorDepth.BlackWhite1bpp
				' EncoderValue.CompressionCCITT4 - also makes image black&white 1 bit
				f.ImageOptions.TIFFCompressionType = SautinSoft.PdfFocus.eTIFFCompressionType.CCITTFAX4

				If f.ToMultipageTiff(tiffPath) = 0 Then
					System.Diagnostics.Process.Start(New System.Diagnostics.ProcessStartInfo(tiffPath) With {.UseShellExecute = True})
				End If
			End If
		End Sub
	End Class
End Namespace

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