PdfFocusToText(String, Int32, Int32) Method

public int ToText(
	string fileName,
	int fromPage,
	int toPage
)

Public Function ToText ( 
	fileName As String,
	fromPage As Integer,
	toPage As Integer
) As Integer

using System;
using System.IO;

namespace Sample
{
    class Sample
    {
        static void Main(string[] args)
        {
            string pdfFile = Path.GetFullPath(@"..\..\..\Potato Beetle.pdf"); 
            string textFile = "Result.txt";
                                  // Get your free 30-day key here:   
             // https://sautinsoft.com/start-for-free/

            //Extract Text from 2nd-3rd pages of PDF
            SautinSoft.PdfFocus f = new SautinSoft.PdfFocus();

            f.OpenPdf(pdfFile);

            if (f.PageCount > 2)
            {
                //Convert only pages 2 - 3 to Text
                int result = f.ToText(textFile, 2, 3);

                //Show Text document
                if (result == 0)
                {
                    System.Diagnostics.Process.Start(new System.Diagnostics.ProcessStartInfo(textFile) { UseShellExecute = true });
                }
            }
        }
    }
}

Imports System.IO
Imports System.Drawing.Imaging
Imports System.Collections.Generic
Imports SautinSoft

Module Sample

    Sub Main()
        Dim pdfFile As String = Path.GetFullPath("..\..\..\Potato Beetle.pdf")
        Dim textFile As String = "Result.txt"
                                ' Get your free 30-day key here: 
                                ' https://sautinsoft.com/start-for-free/

        'Extract Text from 2nd-3rd pages of PDF
        Dim f As New SautinSoft.PdfFocus()

        f.OpenPdf(pdfFile)

        If f.PageCount > 2 Then
            'Convert only pages 2 - 3 to Text
            Dim result As Integer = f.ToText(textFile, 2, 3)

            'Show Text document
            If result = 0 Then
                System.Diagnostics.Process.Start(New System.Diagnostics.ProcessStartInfo(textFile) With {.UseShellExecute = True})
            End If
        End If
    End Sub
End Module