Convert PDF to XML in Multi-thread mode using C# and VB .Net.

The application shows how to convert several PDF documents into XML files using multithread mode. The each conversion will be done in the own thread.

Complete code.

using System;
using System.IO;
using System.Collections.Generic;
using System.Threading;
using SautinSoft;

namespace Sample
    class Sample
        static void Main(string[] args)
        public class TArgument
            public string PdfFile { get; set; }
            public int PageNumber { get; set; }
        public static void ConvertPdfToXmlInThread()
            string pdfs = @"..\..\";
            string[] files = Directory.GetFiles(pdfs, "*.pdf");

            List<Thread> threads = new List<Thread>();
            for (int i = 0; i < files.Length; i++)
                TArgument targ = new TArgument()
                    PdfFile = files[i],
                    PageNumber = 1

                var t = new Thread((a) => ConvertToXml(a));

            foreach (var thread in threads)

        public static void ConvertToXml(object targ)
            TArgument targum = (TArgument)targ;
            string pdfFile = targum.PdfFile;
            int page = targum.PageNumber;

            string xmlFile = Path.ChangeExtension(pdfFile, ".xml");

            SautinSoft.PdfFocus f = new SautinSoft.PdfFocus();

            // Let's convert all data (textual and tabular) to XML.
            f.XmlOptions.ConvertNonTabularDataToSpreadsheet = true;


            bool done = false;

            if (f.PageCount > 0)
                if (page >= f.PageCount)
                    page = 1;

                if (f.ToXml(xmlFile, page, page) == 0)
                    done = true;

            if (done)
                Console.WriteLine("{0}\t - Done!", Path.GetFileName(pdfFile));
                Console.WriteLine("{0}\t - Error!", Path.GetFileName(pdfFile));


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

Module Sample

    Sub Main()
    End Sub
    Public Class TArgument
        Public Property PdfFile() As String
        Public Property PageNumber() As Integer
    End Class
    Public Sub ConvertPdfToXmlInThread()
        Dim pdfs As String = "..\"
        Dim files() As String = Directory.GetFiles(pdfs, "*.pdf")

        Dim threads As New List(Of Thread)()
        For i As Integer = 0 To files.Length - 1
            Dim targ As New TArgument() With {
                    .PdfFile = files(i),
                    .PageNumber = 1

            Dim t = New Thread(Sub(a) ConvertToXml(a))
        Next i

        For Each t As Thread In threads
        Next t
    End Sub

    Public Sub ConvertToXml(ByVal targ As Object)
        Dim targum As TArgument = DirectCast(targ, TArgument)
        Dim pdfFile As String = targum.PdfFile
        Dim page As Integer = targum.PageNumber

        Dim xmlFile As String = Path.ChangeExtension(pdfFile, ".xml")

        Dim f As New SautinSoft.PdfFocus()

        ' Let's convert all data (textual and tabular) to XML.
        f.XmlOptions.ConvertNonTabularDataToSpreadsheet = True


        Dim done As Boolean = False

        If f.PageCount > 0 Then
            If page >= f.PageCount Then
                page = 1
            End If

            If f.ToXml(xmlFile, page, page) = 0 Then
                done = True
            End If
        End If

        If done Then
            Console.WriteLine("{0}" & ControlChars.Tab & " - Done!", Path.GetFileName(pdfFile))
            Console.WriteLine("{0}" & ControlChars.Tab & " - Error!", Path.GetFileName(pdfFile))
        End If
    End Sub
End Module


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