Create a file called test.txt in the current directory : Text File Read Write : File Directory Stream C# Examples

    
using  System;
using  System.IO;

class  Program  {
        static  void  Main()  {
                using  (Stream  s  =  new  FileStream("test.txt",  FileMode.Create))  {
                        Console.WriteLine(s.CanRead);              //  true
                        Console.WriteLine(s.CanWrite);            //  true
                        Console.WriteLine(s.CanSeek);              //  true

                        s.WriteByte(101);
                        s.WriteByte(102);
                        byte[]  block  =  {  1,  2,  3,  4,  5  };
                        s.Write(block,  0,  block.Length);          //  Write  block  of  5  bytes

                        Console.WriteLine(s.Length);                  //  7
                        Console.WriteLine(s.Position);              //  7
                        s.Position  =  0;                                              //  Move  back  to  the  start

                        Console.WriteLine(s.ReadByte());          //  101
                        Console.WriteLine(s.ReadByte());          //  102

                        Console.WriteLine(s.Read(block,  0,  block.Length));      //  5

                        Console.WriteLine(s.Read(block,  0,  block.Length));      //  0
                }
        }
}