Try and catch exceptions for StreamWriter

   
 
/*
 * C# Programmers Pocket Consultant
 * Author: Gregory S. MacBeth
 * Email: gmacbeth@comporium.net
 * Create Date: June 27, 2003
 * Last Modified Date:
 */
using System;
using System.IO;

namespace Client.Chapter_9___Exceptions_and_AppDomains
{
  public class MyMainClassChapter_9___Exceptions_and_AppDomains
  {
    delegate int MyDelegate(string s);
    static void Main(string[] args)
    {
      StreamWriter MyStream = null;
      string MyString = "Hello World";

      try
      {
        MyStream = File.CreateText("MyFile.txt");
        MyStream.Write(MyString);
      }
      catch (IOException e)
      {
        Console.WriteLine(e);
      }
      catch (Exception e)
      {
        Console.WriteLine(e);
      }
      finally
      {
        if (MyStream != null)
          MyStream.Close();
      }
    }
  }
  public class MyFile
  {
    public StreamWriter WriteText(string s)
    {
      if (!Valid(s))
        throw new IOException("Can't Write String");
      else
        return new StreamWriter("c:	est.txt");
    }
    public bool Valid(string s)
    {
      return false;
    }
  }
}