public string GetPriceFromYahoo(string tickerSymbol)
{
string price;
string url = string.Format("http://query.yahooapis.com/v1/public/yql?q=select%20*%20from%20csv%20where%20url='http%3A//download.finance.yahoo.com/d/quotes.csv?s={0}%26f=sl1'%20and%20columns='symbol%2Cprice'", tickerSymbol);
try
{
Uri uri = new Uri(url);
HttpWebRequest req = (HttpWebRequest)WebRequest.Create(uri);
HttpWebResponse resp = (HttpWebResponse)req.GetResponse();
XDocument doc = XDocument.Load(resp.GetResponseStream());
resp.Close();
var ticker = from query in doc.Descendants("query")
from results in query.Descendants("results")
from row in query.Descendants("row")
let xElement = row.Element("price")
where xElement != null
select new { price = xElement.Value };
price = ticker.First().price;
}
catch (Exception ex)
{
LCDMessageBoxController lm = new LCDMessageBoxController();
lm.LogEvent("Exception retrieving symbol: " + tickerSymbol + " \n" + ex.Message, EventLogEntryType.Error);
price = "Exception retrieving symbol: " + tickerSymbol;
}
return(price);
}
/// <summary>
/// The main entry point for the application.
/// </summary>
static void Main(string[] args)
{
if (Environment.UserInteractive)
{
LCDMessageBoxController controller = new LCDMessageBoxController();
controller.Start();
while (true)
{
Thread.Sleep(new TimeSpan(1, 0, 0));
}
}
else
{
ServiceBase[] ServicesToRun;
ServicesToRun = new ServiceBase[]
{
new LCDMessageBoxController()
};
ServiceBase.Run(ServicesToRun);
}
}
