public void getTwitterHashtagData(string hashTag, DateTime since)
{
Tweets tweetsChoreo = new Tweets(session);
// hastag search
tweetsChoreo.setAccessToken(accessToken);
tweetsChoreo.setQuery(hashTag);
tweetsChoreo.setAccessTokenSecret(accessTokenSecret);
tweetsChoreo.setConsumerSecret(consumer_secret);
tweetsChoreo.setConsumerKey(consumer_key);
tweetsChoreo.setCount("200");
tweetsChoreo.setUntil(since.ToString("yyyy-MM-dd"));
// Execute Choreo
TweetsResultSet tweetsResults = tweetsChoreo.execute();
//Create JSON objects
string s_tweets = tweetsResults.Response;
processTweeting(s_tweets, hashTag);
JObject json_tweets = JObject.Parse(s_tweets);
string tweet_id = (string)json_tweets["statuses"][0]["id"];
tweetsChoreo = new Tweets(session);
tweetsChoreo.setAccessToken(accessToken);
tweetsChoreo.setQuery(hashTag);
tweetsChoreo.setAccessTokenSecret(accessTokenSecret);
tweetsChoreo.setConsumerSecret(consumer_secret);
tweetsChoreo.setConsumerKey(consumer_key);
tweetsChoreo.setCount("200");
tweetsChoreo.setSinceId(tweet_id);
tweetsResults = tweetsChoreo.execute();
s_tweets = tweetsResults.Response;
processTweeting(s_tweets, hashTag);
}