Fluttershy using System using System Collections Generic using System

// Fluttershy :3
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Net;
using System.IO;

namespace HelloWorld
{

    class Program
    {
        static void Main(string[] args)
        {
            FileStream file = new FileStream("..//..//tes.txt", FileMode.Open);
            StreamReader sr = new StreamReader(file);
            int buff = 0;
            int temp = 0;
            int numb = 0;
            for(int i = 1;; i++)
            {
                temp = sr.ReadLine().Length;
                if (temp > buff)
                {
                    buff = temp;
                    numb = i;
                }
                if(sr.EndOfStream)
                    break;
            }
            sr.Close();
            Console.WriteLine("Size - \t\t" + buff);
            Console.WriteLine("Position - \t" + numb);
            Console.ReadKey();
        }
    }

}