public static void InitializeCurrencies()
{
currencies = new List <Currency>();
currencyInformation = new CurrencyInformation();
XmlDocument doc = new XmlDocument();
try
{
doc.Load(URLString);
XmlNodeList elemList = doc.GetElementsByTagName("Rate");
for (int i = 0; i < elemList.Count; i++)
{
String s = elemList[i].Attributes["currency"].Value.ToString();
String v = elemList[i].InnerXml;
v = v.Replace('.', ',');
Decimal value = Convert.ToDecimal(v);
Currency.CurrencyName currencyName = (Currency.CurrencyName)Enum.Parse(typeof(Currency.CurrencyName), s);
Decimal multiplier = 1;
if (elemList[i].Attributes["multiplier"] != null)
{
multiplier = Convert.ToDecimal(elemList[i].Attributes["multiplier"].Value.ToString());
}
currencies.Add(new Currency(currencyName, value, multiplier));
}
currencyInformation.SetCurrencies(currencies);
SerializeCurrencyInformation();
}
catch
{
DeserializeCurrencyInformation();
currencies = currencyInformation.GetCurrencies();
}
}
private static void DeserializeCurrencyInformation()
{
using (Stream fileStream = new FileStream(currenciesFileName, FileMode.Open,
FileAccess.Read, FileShare.Read))
{
IFormatter formatter = new BinaryFormatter();
currencyInformation = (CurrencyInformation)formatter.Deserialize(fileStream);
}
}