private void AuthorizeCommand()
{
MyWebClient client = new MyWebClient();
OAuthHelper oauth = new OAuthHelper();
oauth.Token = OAuthToken;
oauth.Verifier = Verifier;
oauth.TokenSecret = OAuthTokenSecret;
oauth.CreateSignature("https://api.twitter.com/oauth/access_token", "GET");
string auth = oauth.AuthenticationHeader;
client.SetHeader("Authorization", auth);
client.DoPostCompleted += new EventHandler <DoPostCompletedEventArgs>(AuthCompleted);
client.DoGetAsync(new Uri("https://api.twitter.com/oauth/access_token", UriKind.Absolute));
}
