用.Net调用GoogleAPI获取Google Task列表失败

代码如下

static void Main(string[] args)        {            // Register the authenticator. The Client ID and secret have to be copied from the API Access            // tab on the Google API<strong>本文来源gaodai#ma#com搞@@代~&码网</strong>s Console.            var provider = new NativeApplicationClient(GoogleAuthenticationServer.Description);            provider.ClientIdentifier = "272908629865.apps.googleusercontent.com";            provider.ClientSecret = "4UmdiNDILOV5bv-qRQz2XUwA";            var auth = new OAuth2Authenticator<NativeApplicationClient>(provider, GetAuthentication);            // Create the service and register the previously created OAuth2 Authenticator.            var service = new TasksService(auth);            TaskLists results = service.Tasklists.List().Fetch();            foreach (TaskList list in results.Items)            {                Console.WriteLine(list.Title);            }        }        private static IAuthorizationState GetAuthentication(NativeApplicationClient arg)        {            // Get the auth URL:            IAuthorizationState state = new AuthorizationState(new[] { TasksService.Scopes.Tasks.ToString() });            state.Callback = new Uri(NativeApplicationClient.OutOfBandCallbackUrl);            Uri authUri = arg.RequestUserAuthorization(state);            // Request authorization from the user (by opening a browser window):            Process.Start(authUri.ToString());            Console.Write("  Authorization Code: ");            string authCode = Console.ReadLine();            Console.WriteLine();            // Retrieve the access token by using the authorization code:            return arg.ProcessUserAuthorization(authCode, state);        }

运行

Process.Start(authUri.ToString());时浏览器里面的结果是：

OAuth2.0 错误：invalid_scope

You can email the developer of this application at:jipen…@gmail.com

Some requested scopes were invalid. {invalid=[Tasks]}

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