You can use this library when you want to tweet other Application.This is Simple POSTMethod code.
Input your four APITokenKey and please write this code
using System.Twitter;
Tweet function
public void OnClickTweetButton(object sender, EventArgs e)
{
var twitter = new TwitterAPI("your ConsumerKey", "your ConsumerKeySecret",
"your AccessToken", "your AccessTokenSecret");
var tweetValue = "HELLO"; //or Textbox.text and so on
twitter.Tweet(tweetValue); //tweet value
}
I will make GETTimeLine and login system soon..