using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using System.IO;

namespace WindowsFormsApp1
{
    public partial class Form1 : Form
    {
        //make new "string" variable to hold... 
        string currentLine;

        //make new "string" array "all", which is populated by the results from searching said directory (and subdirectories)
        //looking for any text document named "File_Manager"
        String[] all = Directory.GetFiles(@"C:\Some File Name", "*.txt", SearchOption.AllDirectories);

        public Form1()
        {
            InitializeComponent();
        }

        //method called when said button clicked
        private void ctoButton_Click(object sender, EventArgs e)
        {            
            // "for" loop, that runs as many times is necessary to run through the "all" array
            for (int h = 0; h < all.Length; h++)
            {
                //making the data, in the present "all" array spot, readable
                StreamReader source = new StreamReader(all[h]);

                currentLine = source.ReadLine();
                
                    
                // close the file
                source.Close();
            }

            // show a MessageBox that shows the nextLine variable
            MessageBox.Show($"{currentLine}");
        }
    }
}