static void GetCountryExchangeRates_BackgroundEventHandler(object sender, DoWorkEventArgs e)
{
BackgroundWorker backgroundWorker = sender as BackgroundWorker;
try
{
List <ExchangeRate> exRates = new List <ExchangeRate>();
List <Country> countries = CountryAdministrator.GetCountries();
for (int i = 0; i < countries.Count; ++i)
{
if (backgroundWorker.CancellationPending)
{
e.Result = null; e.Cancel = true; return;
}
CountryConfigFacade ccf = countries[i].GetCountryConfigFacade(); if (ccf == null)
{
continue;
}
Dictionary <double, string> sysRates = new Dictionary <double, string>();
foreach (CountryConfig.SystemRow system in ccf.GetSystemRows())
{
if (system.IsExchangeRateEuroNull())
{
continue; // rather unlikely
}
double rate; if (!double.TryParse(system.ExchangeRateEuro, out rate))
{
continue; // also rather unlikely
}
if (sysRates.ContainsKey(rate))
{
sysRates[rate] = ExchangeRate.AddToValidFor(sysRates[rate], system.Name);
}
else
{
sysRates.Add(rate, system.Name.ToLower());
}
}
foreach (var sr in sysRates)
{
ExchangeRate exRatesCY = new ExchangeRate()
{
Country = countries[i]._shortName, June30 = sr.Key, ValidFor = sr.Value
};
exRates.Add(exRatesCY);
}
backgroundWorker.ReportProgress(Convert.ToInt32((i + 1.0) / (countries.Count * 1.0) * 100.0));
}
e.Result = exRates;
}
catch (Exception exception) { e.Result = exception.Message; backgroundWorker.ReportProgress(100); }
}
private void menuItemAddSys_Click(object sender, EventArgs e = null)
{
string system; DataGridViewRow clickedRow; if (!menuItem_GetActionInfo(sender, out system, out clickedRow))
{
return;
}
try
{
string systems = clickedRow.Cells[colValidFor.Name].Value == null ? string.Empty : clickedRow.Cells[colValidFor.Name].Value.ToString();
if (!dgvRates.SetCellValue(clickedRow, colValidFor.Name, ExchangeRate.AddToValidFor(systems, system)))
{
ShowGridLastError();
}
}
catch (Exception exception) { UserInfoHandler.ShowException(exception); }
}
