Create a directory or folder using C#

using System;

using System.IO;

namespace ConsoleApplication1

{

    class Program

    {

        static void Main(string[] args)

        {

            string directoryName = Directory.GetCurrentDirectory() + @"\NewDir";

            //Creates a new directory named "NewDir" within the current directory

            Directory.CreateDirectory(directoryName);

            Console.WriteLine("Created: {0}", directoryName);
        }
    }
}