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 ZapisKolejnychLiniiTekstuDoPliku
{
    public partial class Form1 : Form
    {   
        public Form1()
        {
            InitializeComponent();
        }

        private void Form1_Load(object sender, EventArgs e)
        {

        }

        private void Button1_Click(object sender, EventArgs e)
        {   //zapis kolejnych linii do pliku tekstowego
            string plik;
            plik = @"d:\temp\dane1.txt";
            StreamWriter sw = new StreamWriter(plik);
            sw.Write("asd");
            sw.Write("bnm");
            sw.Write("cvb");
            sw.Close();

        }
    }
}