using System;

using System.Threading.Tasks;

using System.IO;

​

public class Program

{

    static void Main(string[] args)

    {

        MyFileSearch x = new MyFileSearch();

        x.SendData = Recevier;

        Console.WriteLine("File Search Started.....");

        Task.Run(() => x.Search("D:\\TEST CODE"));

        Console.WriteLine("Continue execution main function");

        Console.ReadLine();

    }

​

    static void Recevier(string fileName)

    {

        Console.WriteLine(fileName);

    }

} 

​

public class MyFileSearch

{

    public delegate void searchMethod(string search);

    public searchMethod SendData = null;

​

    public void Search(string dir)

    {

        try

        {

            foreach (var d in Directory.GetDirectories(dir))

            {

                foreach (var f in Directory.GetFiles(d))

                {

                    SendData(f);

                }

            }

        }

        catch (Exception)

        {

            throw;

        }

    }

}