public void OperationButtonPress(string operation)
{
try
{
if (FirstOperand == string.Empty || LastOperation == "=")
{
FirstOperand = display;
LastOperation = operation;
}
else
{
SecondOperand = display;
Operation = lastOperation;
calculation.CalculateResult();
FullExpression = Math.Round(Convert.ToDouble(FirstOperand), 10) + " " + Operation + " "
+ Math.Round(Convert.ToDouble(SecondOperand), 10) + " = "
+ Math.Round(Convert.ToDouble(Result), 10);
LastOperation = operation;
Display = Result;
FirstOperand = display;
}
newDisplayRequired = true;
}
catch (Exception ex)
{
Display = Result == string.Empty ? "Error - see event log" : Result;
LogExceptionInformation(ex);
}
}
public void OperationButtonPress(string operation)
{
try
{
if (operation == "CALC")
{
double val = 0;
try { val = Convert.ToDouble(display); } catch { }
if (val == 0)
{
return;
}
Amount = display;
if (state > Convert.ToDouble(Amount))
{
calculation.CalculateResult(isChecked1);
Display = string.Empty;
Balance = (Math.Round(Convert.ToDouble(state), 2) - Math.Round(Convert.ToDouble(Amount), 2)).ToString();
state -= Math.Round(Convert.ToDouble(Amount), 2);
Display = Result;
}
else
{
Display = "You don't have enough money on your account !";
}
}
newDisplayRequired = true;
}
catch (Exception ex)
{
Display = Result == string.Empty ? "Error - see event log" : Result;
LogExceptionInformation(ex);
}
}