readig a .txt file

Or did you want a managed code solution?

using System;
using System.IO;

class Test
{
    public static void Main()
    {
        try
        {
            // Create an instance of StreamReader to read from a file.
            // The using statement also closes the StreamReader.
            using (StreamReader sr = new StreamReader("c:\\raj.txt"))
            {
                String line;
                // Read and display lines from the file until the end of
                // the file is reached.
                while ((line = sr.ReadLine()) != null)
                {
                    Console.WriteLine(line);
                }
            }
        }
        catch (Exception e)
        {
            // Let the user know what went wrong.
            Console.WriteLine("The file could not be read:");
            Console.WriteLine(e.Message);
        }
    }
}

Wow, I must be asleep this morning, that's C#, not C++.

Here's what you want: http://support.microsoft.com/kb/307384/EN-US/

Points to rstaveley, but I would say that wouldn't I? ;-)