using System; using System.IO; using System.Text; class MainClass { static void Main() { using (FileStream fs = new FileStream("test.txt", FileMode.Create)) { using (StreamWriter w = new StreamWriter(fs, Encoding.UTF8)) { w.WriteLine(124.23M); w.WriteLine("Test string"); w.WriteLine('!'); } } using (FileStream fs = new FileStream("test.txt", FileMode.Open)) { using (StreamReader r = new StreamReader(fs, Encoding.UTF8)) { Console.WriteLine(Decimal.Parse(r.ReadLine())); Console.WriteLine(r.ReadLine()); Console.WriteLine(Char.Parse(r.ReadLine())); } } } }