/// <summary>
/// Takes a XDocument, parses it and returns a list of stock objects that corresponds to valid
/// stock symbols
/// </summary>
/// <param name="doc"></param>
/// <returns></returns>
public static List <Stock> getValidStocks(XDocument doc)
{
List <Stock> stocks = new List <Stock>();
foreach (var root in doc.Root.Elements("finance"))
{
try
{
if (root.Element("last") != null && root.Element("last").Attribute("data").Value != null && root.Element("last").Attribute("data").Value.Equals("0.00") == false)
{
stocks.Add(Stock_quotes.createNewStock(root));
}
else
{
System.Windows.Forms.MessageBox.Show(root.Element("symbol").Attribute("data").Value + " is not a valid stock symbol");
}
}
catch (Exception er)
{
//Error message
}
}
return(stocks);
}
/// <summary>
/// Retrieves a particular stock from the XDocument.
/// </summary>
/// <param name="doc"></param>
/// <param name="symbol"></param>
/// <param name="lookUpField"></param>
/// <returns></returns>
public static Stock getThisStock(XDocument doc, string symbol, string lookUpField)
{
Stock stock = null;
foreach (var root in doc.Root.Elements("finance"))
{
if (root.Element(lookUpField).Attribute("data").Value.Equals(symbol))
{
return(Stock_quotes.createNewStock(root));
}
}
return(stock);
}