using System;
using System.IO;

class Retry {
static void Main() {
StreamReader sr;

int attempts = 0;
int maxAttempts = 3;

GetFile:
Console.Write(”
[Attempt #{0}] Specify file ” + “to open/read: “, attempts + 1);
string fileName = Console.ReadLine();

try {
sr = new StreamReader(fileName);
string s;
while (null != (s = sr.ReadLine())) {
Console.WriteLine(s);
}
sr.Close();
} catch (FileNotFoundException e) {
Console.WriteLine(e.Message);
if (++attempts < maxAttempts) { Console.Write("Do you want to select another file: "); string response = Console.ReadLine(); response = response.ToUpper(); if (response == "Y") goto GetFile; } else { Console.Write("You have exceeded the maximum retry limit ({0})", maxAttempts); } } catch (Exception e) { Console.WriteLine(e.Message); } } } [/csharp]

   
  
using System;
using System.IO;
public class MainClass {
    public static void Main() {

        FileStream fs2 = File.Create("Bar.txt");

        StreamWriter w2 = new StreamWriter(fs2);
        w2.Write("Goodbye Mars");
        w2.Close();

        fs2 = File.Open("Bar.txt", FileMode.Open, FileAccess.Read, FileShare.None);
        StreamReader r2 = new StreamReader(fs2);
        String t;
        while ((t = r2.ReadLine()) != null) {
            Console.WriteLine(t);
        }
        w2.Close();
        fs2.Close();

    }
}

   
     

   
  
using System;
using System.Collections.Generic;
using System.Text;
using System.IO;

class Program {
    static void Main(string[] args) {
        string strLine;

        try {
            FileStream aFile = new FileStream("Log.txt", FileMode.Open);
            StreamReader sr = new StreamReader(aFile);
            strLine = sr.ReadLine();
            while (strLine != null) {
                Console.WriteLine(strLine);
                strLine = sr.ReadLine();
            }
            sr.Close();
        } catch (IOException e) {
            Console.WriteLine("An IO exception has been thrown!");
            Console.WriteLine(e.ToString());
            return;
        }
    }
}

   
     

   
  


using System;
using System.IO;

class MainClass {
    public static void Main(string[] args) {
        try {
            FileStream fs = new FileStream("c:a.txt", FileMode.Open);
            StreamReader sr = new StreamReader(fs);

            string line = "";

            int lineNo = 0;
            do {
                line = sr.ReadLine();
                if (line != null) {
                    Console.WriteLine("{0}: {1}", lineNo, line);
                    lineNo++;
                }
            } while (line != null);
        } catch (Exception e) {
            Console.WriteLine("Exception in ShowFile: {0}", e);
        }
    }
}

   
     

using System;
using System.IO;

public class MyStreamWriterReader {
static void Main(string[] args) {
StreamWriter writer = new StreamWriter(“reminders.txt”);
writer.WriteLine(“…”);
writer.WriteLine(“Don't forget these numbers:”);
for (int i = 0; i < 10; i++) writer.Write(i + " "); writer.Write(writer.NewLine); writer.Close(); StreamReader sr = new StreamReader("reminders.txt"); string input = null; while ((input = sr.ReadLine()) != null) { Console.WriteLine(input); } } } [/csharp]

/*
C# Programming Tips & Techniques
by Charles Wright, Kris Jamsa

Publisher: Osborne/McGraw-Hill (December 28, 2001)
ISBN: 0072193794
*/
// NullStrm.cs — demonstrate the use of the Null stream as a bit bucket.
//
// Compile this program with the following command line:
// C:>csc NullStrm.cs
//
using System;
using System.IO;
namespace nsStreams
{
public class NullStrm
{
static public void Main ()
{
byte [] b = new byte [256];
int count = Stream.Null.Read (b, 0, b.Length);
Console.WriteLine (“Read {0} bytes”, count);
string str = “Hello, World!”;
StringToByte (out b, str);
Stream.Null.Write (b, 0, b.Length);

// Attach a reader and writer to the Null stream
StreamWriter writer = new StreamWriter (Stream.Null);
StreamReader reader = new StreamReader (Stream.Null);
writer.Write (“This is going nowhere”);
str = reader.ReadToEnd ();
Console.Write (“The string read contains {0} bytes”, str.Length);
}

// Convert a buffer of type string to byte
static void StringToByte (out byte [] b, string str)
{
b = new byte [str.Length];
for (int x = 0; x < str.Length; ++x) { b[x] = (byte) str [x]; } } } } [/csharp]

   
 
/*
Copyright (c) 2010 <a href="http://www.gutgames.com">James Craig</a>

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.*/

using System;
using System.IO;
using System.Runtime.Serialization.Formatters.Binary;
using System.Runtime.Serialization.Formatters.Soap;
using System.Text;
using System.Xml.Serialization;


namespace Utilities
{
    /// <summary>
    /// Helps with serializing an object to XML and back again.
    /// </summary>
    public static class Serialization
    {

        /// <summary>
        /// Deserializes an object from binary
        /// </summary>
        /// <typeparam name="T">Type of the object</typeparam>
        /// <param name="Binary">Binary representation of the object</param>
        /// <param name="Object">Object after it is deserialized</param>
        public static void BinaryToObject<T>(byte[] Binary,out T Object)
        {
            try
            {
                using (MemoryStream Stream = new MemoryStream())
                {
                    Stream.Write(Binary, 0, Binary.Length);
                    Stream.Seek(0, 0);
                    BinaryFormatter Formatter = new BinaryFormatter();
                    Object = (T)Formatter.Deserialize(Stream);
                }
            }
            catch { throw; }
        }
    }       
}