using System;
using System.IO;
using System.Security.AccessControl;
namespace P11_3
{
    class FileExample
    {
        public static void Main()
        {
            try
            {
                string FileName = "D:\\TestDir\\MyTest.txt";
                Console.WriteLine("Encrypt " + FileName);
                // üܺ
                AddEncryption(FileName);
                Console.WriteLine("Decrypt " + FileName);
                // ýܺ
                RemoveEncryption(FileName);
                Console.WriteLine("Done");
            }
            catch (Exception e)
            {
                Console.WriteLine(e);
            }
            Console.ReadLine();
        }
        // һļ
        public static void AddEncryption(string FileName)
        {
            File.Encrypt(FileName);
        }
        // һļ
        public static void RemoveEncryption(string FileName)
        {
            File.Decrypt(FileName);
        }
    }
}
