private void HandleForecastResponse(IAsyncResult asyncResult)
{
ForecastUpdateState forecastState = (ForecastUpdateState)asyncResult.AsyncState;
HttpWebRequest forecastRequest = (HttpWebRequest)forecastState.AsyncRequest;
forecastState.AsyncResponse = (HttpWebResponse)forecastRequest.EndGetResponse(asyncResult);
Stream streamResult;
// get the stream containing the response from the async call
streamResult = forecastState.AsyncResponse.GetResponseStream();
// load the XML
XElement xmlNews = XElement.Load(streamResult);
XElement xmlCurrent = xmlNews.Descendants("channel").First();
XElement x1 = xmlCurrent.Descendants("item").First();
string title = (string)x1.Element("title");
IEnumerable <XElement> xmlIEnumerableNews = xmlCurrent.Descendants("item");
IEnumerable <NewsDetails> objIEnumerableNews = from element in xmlIEnumerableNews
select new NewsDetails
{
title = (string)(element.Element("title")),
link = (string)(element.Element("guid")),
date = (string)(element.Element("pubDate"))
};
List <NewsDetails> objListNews = new List <NewsDetails>();
int count = objListNews.Count;
foreach (NewsDetails news in objIEnumerableNews)
{
news.title = news.title + " " + news.date;
int pos = news.link.IndexOf('=');
news.link = news.link.Substring(pos + 1, news.link.Length - pos - 1);
objListNews.Add(news);
}
int t = objListNews.Count();
Deployment.Current.Dispatcher.BeginInvoke(() =>
{
listBoxNews.ItemsSource = objListNews;
});
}
public News()
{
UriBuilder fullUri = new UriBuilder("http://news.google.co.in/news");
fullUri.Query = "hl=en&gl=in&q=mumbai+marathon&um=1&ie=UTF-8&output=rss";
HttpWebRequest forecastRequest = (HttpWebRequest)WebRequest.Create(fullUri.Uri);
ForecastUpdateState forecastState = new ForecastUpdateState();
forecastState.AsyncRequest = forecastRequest;
forecastRequest.BeginGetResponse(new AsyncCallback(HandleForecastResponse), forecastState);
// wbt.URL = "http://www.google.com";
//wbt.Show();
InitializeComponent();
}
/// <summary>
/// Get a forecast for the given latitude and longitude
/// </summary>
public void GetForecast(string latitude, string longitude)
{
// form the URI
UriBuilder fullUri = new UriBuilder("http://forecast.weather.gov/MapClick.php");
fullUri.Query = "lat=" + latitude + "&lon=" + longitude + "&FcstType=dwml";
// initialize a new WebRequest
HttpWebRequest forecastRequest = (HttpWebRequest)WebRequest.Create(fullUri.Uri);
// set up the state object for the async request
ForecastUpdateState forecastState = new ForecastUpdateState();
forecastState.AsyncRequest = forecastRequest;
// start the asynchronous request
forecastRequest.BeginGetResponse(new AsyncCallback(HandlerForecastResponse), forecastState);
}
