Scratch

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

namespace WindowsFormsApplication1
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private string GetTinyUrl(string url)
        {
            WebRequest request = WebRequest.Create("http://tinyurl.com/api-create.php?url=" + url);
            using (WebResponse response = request.GetResponse())
            {
                using (StreamReader reader = new StreamReader(response.GetResponseStream()))
                {
                    return reader.ReadToEnd();
                }
            }
        }

        private void textBox1_Enter(object sender, EventArgs e)
        {
            if (textBox1.Text == "Enter a url here.")
            {
                textBox1.Text = "";
            }
        }

        private void Form1_Load(object sender, EventArgs e)
        {
            textBox2.Text = Settings1.Default.LastTinyUrl;
        }

        private void button2_Click(object sender, EventArgs e)
        {
            this.Close();
        }

        private void button1_Click(object sender, EventArgs e)
        {
            textBox2.Text = GetTinyUrl(textBox1.Text);
        }
    }
}