Convert Password-Protected PDF file to DOCX in C# and .NET
Complete code
using System;
using System.IO;
namespace Sample
{
    class Sample
    {
        static void Main(string[] args)
        {
			// Activate your license here
			// SautinSoft.PdfFocus.SetLicense("1234567890");
			
            string pdfFile = Path.GetFullPath(@"..\..\..\Example.pdf");
            string wordFile = "Result.docx";
            //Convert PDF file to Text file
            SautinSoft.PdfFocus f = new SautinSoft.PdfFocus();
            
            //Set a password for password-protected PDF documents. You need to set this option before "f.OpenPdf"
            f.Password = "123456789";
            f.OpenPdf(pdfFile);
            
            if (f.PageCount > 0)
            {
                int result = f.ToWord(wordFile);
                //Show Text document
                if (result == 0)
                {
                    System.Diagnostics.Process.Start(new System.Diagnostics.ProcessStartInfo(wordFile) { UseShellExecute = true });
                }
            }
        }
    }
}
        
            Imports System
Imports System.IO
Namespace Sample
	Friend Class Sample
		Shared Sub Main(ByVal args() As String)
			Dim pdfFile As String = Path.GetFullPath("..\..\..\Example.pdf")
			Dim wordFile As String = "Result.docx"
			' Activate your license here
			' SautinSoft.PdfFocus.SetLicense("1234567890")
			
			'Convert PDF file to Text file
			Dim f As New SautinSoft.PdfFocus()
			'Set a password for password-protected PDF documents. You need to set this option before "f.OpenPdf"
			f.Password = "123456789"
			f.OpenPdf(pdfFile)
			If f.PageCount > 0 Then
				Dim result As Integer = f.ToWord(wordFile)
				'Show Text document
				If result = 0 Then
					System.Diagnostics.Process.Start(New System.Diagnostics.ProcessStartInfo(wordFile) With {.UseShellExecute = True})
				End If
			End If
		End Sub
	End Class
End Namespace
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