public void LoadCurrenciesFactorsAsync(CurrenciesFactorsLoaderCallback callback)
{
ThreadPool.QueueUserWorkItem(
t =>
callback(ThrowException
? new CurrenciesFactorsLoaderCalbackState(null, new ApplicationException("Fake"), false)
: new CurrenciesFactorsLoaderCalbackState(_factors, null, false)));
}
public void LoadCurrenciesFactorsAsync(CurrenciesFactorsLoaderCallback callback)
{
if (callback == null)
throw new ArgumentNullException("callback");
if (_client != null)
ThrowMoreThatOneConnectionError();
_client = new WebClient();
_client.DownloadStringCompleted += OnClientDownloadStringCompleted;
_client.DownloadStringAsync(CreateUrlForLoad(), callback);
}
public void LoadCurrenciesFactorsAsync(CurrenciesFactorsLoaderCallback callback)
{
if (callback == null)
throw new ArgumentNullException("callback");
_loader.LoadCurrenciesFactorsAsync(state =>
{
if (state.IsCancelled)
{
callback(state);
return;
}
if (state.Error == null)
{
try { SetCurrencyFactors2Cache(state.Factors); }
catch (Exception ex) { FireException(new ExceptionEventArgs(ex)); }
callback(state);
return;
}
FireException(new ExceptionEventArgs(state.Error));
CurrenciesFactorsPer1UnitInUsd factors = null;
Exception exception = null;
try { factors = LoadCurrenciesFactorsFromCache(); }
catch (Exception ex) { exception = ex; }
callback(new CurrenciesFactorsLoaderCalbackState(factors, exception, false));
});
}
public void LoadCurrenciesFactorsAsync(CurrenciesFactorsLoaderCallback callback)
{
CurrenciesFactorsPer1UnitInUsd factors = null;
Exception exception = null;
try
{
factors = LoadFactorsFromFile();
}
catch (Exception ex)
{
exception = ex;
}
ThreadPool.QueueUserWorkItem(
t => callback(new CurrenciesFactorsLoaderCalbackState(factors, exception, false)));
}
