using System; using System.IO; public class IOExample { static void Main() { FileStream fs; StreamWriter sw; try { fs = new FileStream("practice.txt", FileMode.Open ); sw = new StreamWriter(fs); // write a line to the file string newLine = "Not so different from you and me"; sw.WriteLine(newLine); // close the streams sw.Close(); fs.Close(); } catch (IOException ioe) { Console.WriteLine("IOException occurred: "+ioe.Message); } } }