Stuff

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

public class Welcome1
{
    private const int FRANCAIS = 0;
    private const int ENGLISH = 1;

    public static void Main(string[] args)
    {
        Welcome1 ceci = new Welcome1();
        string fileName = "mots.txt";
        if (File.Exists(fileName))
        {
            FileStream lesMots = new FileStream(fileName, FileMode.Open, FileAccess.Read);
            StreamReader fileReader = new StreamReader(lesMots);
            string[,] pairList = ceci.fillArray(fileReader);
        }
        else Console.WriteLine("file open failed.");

    }

 
    private Dictionary<string,string> fillTheArray(StreamReader reader)
    {
        Console.WriteLine("go fillArray go!");
        Dictionary<string, string> lesPairs = new Dictionary<string, string>();
        string flutter = reader.ReadLine();
        string key = null;
        string value = null;
        int split = 0;
        do
        {            
            flutter = reader.ReadLine();
            if (flutter != null)
            {
                split = flutter.IndexOf("-");
                key = flutter.Substring(0, split).Trim();
                value = flutter.Substring(split + 1).Trim();
                lesPairs.Add(key, value);
            }
        }while (flutter != null);

        return lesPairs;
    }


    private string[,] fillArray(StreamReader reader)
    {
        List<string> wordList = new List<string>();
        string newLine = reader.ReadLine();

        do
        {
            wordList.Add(newLine);
            newLine = reader.ReadLine();
        }
        while (newLine != null);

        int wordlistLength = wordList.Count;
        string[,] output = new string[2, wordlistLength];
        for (int i = 0, split = 0; i < wordlistLength; ++i)
        {
            newLine = wordList[i];
            split = newLine.IndexOf("-");
            output[FRANCAIS,i] = newLine.Substring(0, split).Trim();
            output[ENGLISH,i] = newLine.Substring(split+1);
        }

        return output;
    }
}