FileStream C#

using System;
using System.IO;
using System.Text;

namespace ConsoleApp6
{
    class Program
    {
        private static void AddTexttoFile(FileStream file, string value)
        {
            byte[] info = new UTF8Encoding(true).GetBytes(value);

            file.Write(info, 0, info.Length);

        }
        static void Main(string[] args)
        {

            string fileName = @"E:\text.txt";
            using (FileStream file = File.Create(fileName))
            {

                AddTexttoFile(file, "Hi");

                AddTexttoFile(file, " Welcome \n");

                AddTexttoFile(file, "To Armenia");

            }
            if (File.Exists(fileName))
            {

                using (FileStream file = File.OpenRead(fileName))
                {

                    byte[] b = new byte[100];

                    UTF8Encoding encode = new UTF8Encoding(true);

                    while (file.Read(b, 0, b.Length) > 0)
                    {

                        Console.WriteLine(encode.GetString(b));

                    }

                }

            }

        }
    }
}