private void CalculateButton_Click(object sender, EventArgs e)
{
string sourceCurrencyName = SourceCurrencyBox.Text;
string destinationCurrencyName = DestinationCurrencyBox.Text;
double amount = 0;
double.TryParse(AmountBox.Text, out amount);
string sourceCurrencyCode = "";
string destinationCurrencyCode = "";
if (sourceCurrencyName != "" && destinationCurrencyName != "" && amount != 0)
{
for (int i = 0; i < currencyRates.Length; i++)
{
if (sourceCurrencyName == currencyRates[i].currencyName)
{
sourceCurrencyCode = currencyRates[i].currencyCode;
}
if (destinationCurrencyName == currencyRates[i].currencyName)
{
destinationCurrencyCode = currencyRates[i].currencyCode;
}
}
double result = currencyConversion.GetCurrencyConversion(sourceCurrencyCode, amount, destinationCurrencyCode);
ResultBox.Text = $"{amount} {sourceCurrencyName} = {result} {destinationCurrencyName} ";
}
}
