C#-How To Make A Skype Resolver (API NEEDED)

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.Net;

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

        private void button1_Click(object sender, EventArgs e)
        {
            if (textBox1.Text == "")
            {
                MessageBox.Show("Enter A Skype Name");
            }
            else if (textBox1.Text == "Your Skype Name")
            {
                MessageBox.Show("Username Blacklisted");
            }
            else
            {
                WebRequest.Create("http://your_api_link.com" + textBox1.Text);
                textBox2.Text = new System.Net.WebClient().DownloadString("http://your_api_link.com" + textBox1.Text);
            }
        }

        private void button2_Click(object sender, EventArgs e)
        {
            Clipboard.SetText(textBox2.Text);
        }
    }
}