public static async Task <Status> ShareAsync(this IWeiboClient client, string status, StorageFile imageFile, CancellationToken cancellationToken = default(CancellationToken))
        {
            if (client == null)
            {
                throw new ArgumentNullException(nameof(client));
            }
            if (status == null)
            {
                throw new ArgumentNullException(nameof(status));
            }
            if (imageFile == null)
            {
                throw new ArgumentNullException(nameof(imageFile));
            }

            var image = (await FileIO.ReadBufferAsync(imageFile)).ToArray();

            return(await client.ShareAsync(status, image, cancellationToken));
        }
        private async void SendStatusButton_Click(object sender, RoutedEventArgs e)
        {
            var status = await _client.ShareAsync("测试 https://wpdn.bohan.co/az/hprichbg/rb/MandelaMonument_EN-US8903823453_1920x1080.jpg");

            MessageBox.Show(status.Success() ? "发送成功" : status.ErrorMessage);
        }