How to manage the file encoding using C# and .NET

Complete code

using SautinSoft.Document;
using System.IO;
using System.Text;

namespace Example
{
    class Program
    {
        static void Main(string[] args)
        { 
            // Get your free trial key here:   
            // https://sautinsoft.com/start-for-free/

            Unicode();
        }
        /// <summary>
        /// Convert files using different encodings.
        /// </summary>
        /// <remarks>
        /// Details: https://sautinsoft.com/products/document/help/net/developer-guide/encodings.php
        /// </remarks>
        static void Unicode()
        {
            string inpFile = @"..\..\..\example.txt";
            string outFile = @"Result.pdf";

            // Provides access to an encoding provider for code pages that otherwise are available only in the desktop .NET Framework and .NET
            // https://learn.microsoft.com/en-us/dotnet/api/system.text.codepagesencodingprovider
            Encoding.RegisterProvider(CodePagesEncodingProvider.Instance);

            DocumentCore dc = DocumentCore.Load(inpFile, new TxtLoadOptions { Encoding = Encoding.GetEncoding(1251)});
            dc.Save(outFile);

            // Important for Linux: Install MS Fonts
            // sudo apt install ttf-mscorefonts-installer -y

            // Open the result for demonstration purposes.
            System.Diagnostics.Process.Start(new System.Diagnostics.ProcessStartInfo(outFile) { UseShellExecute = true });
        }
    }
}

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Imports SautinSoft.Document
Imports System.IO
Imports System.Text

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

			Unicode()
		End Sub
		''' <summary>
		''' Convert files using different encodings.
		''' </summary>
		''' <remarks>
		''' Details: https://sautinsoft.com/products/document/help/net/developer-guide/encodings.php
		''' </remarks>
		Private Shared Sub Unicode()
			Dim inpFile As String = "..\..\..\example.txt"
			Dim outFile As String = "Result.pdf"

			' Provides access to an encoding provider for code pages that otherwise are available only in the desktop .NET Framework and .NET
			' https://learn.microsoft.com/en-us/dotnet/api/system.text.codepagesencodingprovider
			System.Text.Encoding.RegisterProvider(CodePagesEncodingProvider.Instance)

			Dim dc As DocumentCore = DocumentCore.Load(inpFile, New TxtLoadOptions With {.Encoding = System.Text.Encoding.GetEncoding(1251)})
			dc.Save(outFile)

			' Important for Linux: Install MS Fonts
			' sudo apt install ttf-mscorefonts-installer -y

			' Open the result for demonstration purposes.
			System.Diagnostics.Process.Start(New System.Diagnostics.ProcessStartInfo(outFile) With {.UseShellExecute = True})
		End Sub
	End Class
End Namespace

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