private async Task <string> UploadImage(string status)
{
const string url = "https://upload.twitter.com/1.1/media/upload.json";
var generator = new CommandGenerator();
generator.Generate(status);
var base64Image = generator.DrawToBase64();
var requestData = new SortedDictionary <string, string> {
{ "media_data", base64Image }
};
Authenticate(url, requestData);
var content = new FormUrlEncodedContent(requestData);
var response = await _client.PostAsync(url, content);
var responseData = await response.Content.ReadAsStringAsync();
var responseDataJson = (JObject)JsonConvert.DeserializeObject(responseData);
return(responseDataJson.Value <string>("media_id_string"));
}