using System; using System.IO; public class DirectoryDemo{ public static void Main(){ string fileName = "directory.cs"; // The current source file FileInfo fi = new FileInfo(fileName); // This source file string thisFile = fi.FullName, thisDir = Directory.GetParent(thisFile).FullName, parentDir = Directory.GetParent(thisDir).FullName; Console.WriteLine("This file: {0}", thisFile); Console.WriteLine("This Directory: {0}", thisDir); Console.WriteLine("Parent directory: {0}", parentDir); string[] files = Directory.GetFiles(parentDir); string[] dirs = Directory.GetDirectories(parentDir); Console.WriteLine("\nListing directory {0}:", parentDir); foreach(string d in dirs) Console.WriteLine(d); foreach(string f in files) Console.WriteLine(f); } }