using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace ConsoleApplication1
{
    class Program
    {
        static void Main(string[] args)
        {
            string[] FILES = System.IO.Directory.GetFiles(@"C:\test", "*", System.IO.SearchOption.AllDirectories);
            for (int i = 0; i < FILES.Length; i++ )
            {
                FILES[i] = System.IO.Path.GetFileName(FILES[i]);
                Console.WriteLine(FILES[i]);
            }
        }
    }
}