using System;
using System.IO;
using System.Reflection;
using System.Windows.Forms;
using System.Net;
using System.Diagnostics;

namespace WindowsFormsApplication1
{
    public partial class MainForm : Form
    {
        public MainForm()
        {
            InitializeComponent();
        }

        private void textBox1_Enter(object sender, EventArgs e)
        {
            textBox1.Text = "";
        }

        private void button1_Click(object sender, EventArgs e)
        {
            string urlstring = textBox1.Text, source;
            if ((urlstring != "") && (urlstring.IndexOf("http://") != -1))
                using (WebClient wClient = new WebClient())
                {
                    Uri url = new Uri(urlstring);
                    source = wClient.DownloadString(url);
                    textBox2.Text = source;
                    /*Stopwatch t = new Stopwatch();
                    t.Start();
                    StreamWriter sw = new StreamWriter(Application.StartupPath+@"\result.txt");
                    sw.WriteLine(source);
                    sw.Close();*/
                    if (!File.Exists(Application.StartupPath + @"\result.txt"))
                        File.WriteAllText(Application.StartupPath + @"\result.txt", source);
                    /*t.Stop();
                    MessageBox.Show(t.Elapsed.ToString());*/
                }
            else MessageBox.Show("Неверный URL!");
           // MessageBox.Show(Application.StartupPath + "\\result.txt");
        }

        private void textBox1_KeyDown(object sender, KeyEventArgs e)
        {
            if (e.KeyCode == Keys.Enter)
            {
                button1.PerformClick();
            }
        }




    }
}