public void Login(string clientid = "000000004C0C610D")
{
var auth = new LiveAuthClient(clientid);
auth.LoginCompleted += new EventHandler<LoginCompletedEventArgs>(LoginCompleted);
auth.LoginAsync(new string[] { "wl.signin", "wl.basic", "wl.skydrive", "wl.skydrive_update", "wl.offline_access", "wl.photos" });
}