First() public méthode

public First ( ) : IIterator
Résultat IIterator
 public async Task<bool> Login()
 {
     var url = "https://github.com/login/oauth/authorize?client_id=" + Uri.EscapeDataString(ClientId) + "&redirect_uri=" + Uri.EscapeDataString(RedirectUri) + "&scope=repo&display=popup&response_type=token";
     var startUri = new Uri(url);
     var endUri = new Uri(RedirectUri);
     var webAuthenticationResult = await WebAuthenticationBroker.AuthenticateAsync(WebAuthenticationOptions.None, startUri, endUri);
     string code = "";
     switch (webAuthenticationResult.ResponseStatus)
     {
         case WebAuthenticationStatus.Success:
             var decoder = new WwwFormUrlDecoder(webAuthenticationResult.ResponseData.Replace(RedirectUri + "/?", ""));
             code = decoder.First(x => x.Name == "code").Value;
             break;
         case WebAuthenticationStatus.ErrorHttp:
             return false;
             break;
         default:
             return false;
             break;
     }
     var c = new HttpClient();
     var data = new Dictionary<string, string>
                    {
                        {"client_id", ClientId},
                        {"client_secret", ClientSecret},
                        {"code", code}
                    };
     var content = new FormUrlEncodedContent(data);
     var request = await c.PostAsync(Accesstokenuri, content);
     var result = await request.Content.ReadAsStringAsync();
     _accessToken = new WwwFormUrlDecoder(result).GetFirstValueByName("access_token");
     return true;
 }
        public static async Task<bool> authenticateUser()
        {

            String WordpressURL = "https://public-api.wordpress.com/oauth2/authorize?client_id=428&redirect_uri=http://127.0.0.1&response_type=code";


            System.Uri StartUri = new Uri(WordpressURL, UriKind.RelativeOrAbsolute);
            System.Uri EndUri = new Uri("http://127.0.0.1", UriKind.RelativeOrAbsolute);



            WebAuthenticationResult WebAuthenticationResult = await WebAuthenticationBroker.AuthenticateAsync(WebAuthenticationOptions.None, StartUri, EndUri);
            if (WebAuthenticationResult.ResponseStatus == WebAuthenticationStatus.Success)
            {
                WwwFormUrlDecoder decoder = new WwwFormUrlDecoder(WebAuthenticationResult.ResponseData.ToString());
                string authtoken = decoder.First().Value;
                string post_string = FormatPostRequest(authtoken);
                var content = new StringContent(post_string);
                var client = new System.Net.Http.HttpClient();
                content.Headers.ContentType = new MediaTypeHeaderValue("application/x-www-form-urlencoded");
                var responseTask = client.PostAsync("https://public-api.wordpress.com/oauth2/token", content);
                var response = await responseTask;
                string jsonresponse = await response.Content.ReadAsStringAsync();
                user = JsonConvert.DeserializeObject<AuthenticatedUser>(jsonresponse);
       
               ApplicationData.Current.LocalSettings.Values["AuthUser"] = Authenticator.user.access_token;

               postStatus(user.access_token);
               displayname = await userInfo(user.access_token);
               Authenticator.displayname = displayname;
               return true;
               


            }
            else if (WebAuthenticationResult.ResponseStatus == WebAuthenticationStatus.UserCancel)
            {
                return false;
            }
            else
            {
                return false;
            }
        }