static void Main(string[] args)
{
while (true)
{
Console.WriteLine("Enter an expression or 'quit' to exit");
String expression = Console.ReadLine();
if (!String.IsNullOrEmpty(expression))
{
if (expression.Trim().ToLower() == "quit")
{
Console.WriteLine("Exiting program");
return;
}
}
CalculatorEnum wf = new CalculatorEnum();
wf.ArgExpression = expression;
try
{
IDictionary <String, Object> results =
WorkflowInvoker.Invoke(wf);
Console.WriteLine("Result = {0}", results["Result"]);
}
catch (InvalidOperationException exception)
{
Console.WriteLine(exception.Message.ToString());
}
}
}
static void Main(string[] args)
{
int a = 0;
int b = 0;
Console.WriteLine("Enter the value of A:");
a = int.Parse(Console.ReadLine());
Console.WriteLine("Enter the value of B:");
b = int.Parse(Console.ReadLine());
Calculator objCalc = new Calculator(a, b);
ENTER_CHOICE:
Console.WriteLine("For {0} press {1}", CalculatorEnum.Addition.ToString(), (int)CalculatorEnum.Addition);
Console.WriteLine("For {0} press {1}", CalculatorEnum.Substraction.ToString(), (int)CalculatorEnum.Substraction);
Console.WriteLine("For {0} press {1}", CalculatorEnum.Multiplication.ToString(), (int)CalculatorEnum.Multiplication);
Console.WriteLine("For {0} press {1}", CalculatorEnum.Division.ToString(), (int)CalculatorEnum.Division);
//int choice = int.Parse(Console.ReadLine());
CalculatorEnum calcEnum = (CalculatorEnum)Enum.Parse(typeof(CalculatorEnum), Console.ReadLine(), true);
switch (calcEnum)
{
case CalculatorEnum.Addition:
Console.WriteLine("Addition:{0}", objCalc.Add());
break;
case CalculatorEnum.Substraction:
Console.WriteLine("Substraction:{0}", objCalc.Substraction());
break;
case CalculatorEnum.Division:
Console.WriteLine("Division:{0}", objCalc.Division());
break;
case CalculatorEnum.Multiplication:
Console.WriteLine("Multiplication:{0}", objCalc.Multiplication());
break;
default:
Console.WriteLine("Please check the choice again");
goto ENTER_CHOICE;
}
//int choice = (int)Enum.Parse(typeof(CalculatorEnum), Console.ReadLine(), true);
//switch (choice)
//{
// case (int)CalculatorEnum.Addition:
// Console.WriteLine("Addition:{0}", objCalc.Add());
// break;
// case (int)CalculatorEnum.Substraction:
// Console.WriteLine("Substraction:{0}", objCalc.Substraction());
// break;
// case (int)CalculatorEnum.Multiplication:
// Console.WriteLine("Multiplication:{0}", objCalc.Multiplication());
// break;
// case (int)CalculatorEnum.Division:
// Console.WriteLine("Division:{0}", objCalc.Division());
// break;
// default:
// Console.WriteLine("Please check the choice again");
// break;
//}
Console.ReadKey();
}
