Get parent directory in CSharp

/*from  w ww  . ja v  a 2 s.  c  o m*/
using System;

class Class1
{
    static void Main(string[] args)
    {
        string path = System.IO.Directory.GetCurrentDirectory();

        GetParent(path);
    }
    static void GetParent(string path)
    {
        System.IO.DirectoryInfo directoryInfo = System.IO.Directory.GetParent(path);
        System.Console.WriteLine(directoryInfo.FullName);
    }
}