static void Main(string[] args)
{
Calculator obj1 = new Calculator();
Console.WriteLine("Enter the first integer");
int a = Convert.ToInt32(Console.ReadLine());
Console.WriteLine("Enter the second integer");
int b = Convert.ToInt32(Console.ReadLine());
obj1.OnPressEnter += Sum;
Console.WriteLine("Please Press Enter to calculate the sum");
Boolean flag = true;
while (flag)
{
if (Console.ReadKey().Key == ConsoleKey.Enter)
{
flag = !flag;
obj1.EnterPressed(a, b);
}
else
{
Console.WriteLine("\nYou should Only presss Enter");
}
}
}
