Hi guys,

Does anyone know what is wrong with my code? it always returns "Failed
to validate oauth signature and token" (it did return access token and
access access secret few day ago)

here is my code (I use Hammock/TweetSharp library)

private const string _consumerKey = "cKey";
private const string _consumerSecret = "cSecret";
private string _userName = "uName";
private string _password = "uPassword";

Button.Click
{
 Hammock.RestClient c = new RestClient()
                                       {
                                           Authority = "https://
api.twitter.com/oauth/",
                                           HasElevatedPermissions =
true,
                                           Credentials = new
OAuthCredentials()
                                           {
                                               Type =
OAuthType.ClientAuthentication,
                                               ConsumerKey =
_consumerKey,
                                               ConsumerSecret =
_consumerSecret,
                                               SignatureMethod =
OAuthSignatureMethod.HmacSha1,
                                               ParameterHandling =
OAuthParameterHandling.HttpAuthorizationHeader,
                                               ClientUsername =
_userName,
                                               ClientPassword =
_password,
                                           }
                                       };

            RestRequest r = new RestRequest()
                                {
                                    Path = "access_token",
                                };
            c.BeginRequest(r, new RestCallback(Callback));
}

 public void Callback(Hammock.RestRequest request,
Hammock.RestResponse response, object userState)
        {
            var a = response.Content;           (I set debug here, and
variable 'a' contains "Failed to validate oauth signature and token",
RestRespone.content contains "'Content' threw an exception of
type"System.UnauthorizedAccessException"
        }

Thanks

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