File Stream C#

using System;
using System.IO;
class Test 
{
    public static void Main() 
    {
            string path = @"c:\MyDir";
            string target = @"c:\TestDir";
            // Determine whether the directory exists.
            if (!Directory.Exists(path)) 
            {
                // Create the directory it does not exist.
                Directory.CreateDirectory(path);
            }
            if (Directory.Exists(target)) 
            {
                // Delete the target to ensure it is not there.
                Directory.Delete(target, true);
            }
            Directory.Move(path, target);
            File.CreateText(target + @"\myfile.txt");
            Console.WriteLine("The number of files in {0} is {1}",target, Directory.GetFiles(target).Length);
    }
}