using System;

using System.Windows.Forms;

using System.IO;



namespace WindowsApplication1

{

    public partial class Form1 : Form

    {

        public Form1()

        {

            InitializeComponent();

        }



        private void button1_Click(object sender, EventArgs e)

        {

			if (File.Exists("c:\\testFile.txt"))

			{

				//shows message if testFile exist 

				MessageBox.Show ("File 'testFile' Exist ");

			}

			else

			{

				//create the file testFile.txt 

				File.Create("c:\\testFile.txt");

				MessageBox.Show("File 'testFile' created ");

			}

        }

    }

}