private string CurrencyConverter(int selection, decimal amount)
{
if (selection == 1)
{
return($"{amount.ToString("C")} USD " +
$"converted to {Exchanger.USDtoGBP(amount).ToString("C")} GBP");
}
else if (selection == 2)
{
return($"{amount.ToString("C")} USD " +
$"converted to {Exchanger.USDtoCAN(amount).ToString("C")} CAN");
}
else if (selection == 3)
{
return($"{amount.ToString("C")} USD " +
$"converted to {Exchanger.USDtoEUR(amount).ToString("C")} EUR");
}
else if (selection == 4)
{
return($"{amount.ToString("C")} GBP " +
$"converted to {Exchanger.GBPtoUSD(amount).ToString("C")} USD");
}
else if (selection == 5)
{
return($"{amount.ToString("C")} GBP " +
$"converted to {Exchanger.GBPtoCAN(amount).ToString("C")} CAN");
}
else if (selection == 6)
{
return($"{amount.ToString("C")} GBP " +
$"converted to {Exchanger.GBPtoEUR(amount).ToString("C")} EUR");
}
else if (selection == 7)
{
return($"{amount.ToString("C")} CAN " +
$"converted to {Exchanger.CANtoUSD(amount).ToString("C")} USD");
}
else if (selection == 8)
{
return($"{amount.ToString("C")} CAN " +
$"converted to {Exchanger.CANtoGBP(amount).ToString("C")} GBP");
}
else if (selection == 9)
{
return($"{amount.ToString("C")} CAN " +
$"converted to {Exchanger.CANtoEUR(amount).ToString("C")} EUR");
}
else if (selection == 10)
{
return($"{amount.ToString("C")} EUR " +
$"converted to {Exchanger.EURtoUSD(amount).ToString("C")} USD");
}
else if (selection == 11)
{
return($"{amount.ToString("C")} EUR " +
$"converted to {Exchanger.EURtoGBP(amount).ToString("C")} GBP");
}
else if (selection == 12)
{
return($"{amount.ToString("C")} EUR " +
$"converted to {Exchanger.EURtoCAN(amount).ToString("C")} CAN");
}
else
{
return(null);
}
}