static void Main(string[] args)
{
var invoker = new Invoker();
var calculator = new Calculator();
var command1 = new CalculatorCommand(calculator, CalculatorCommand.Operation.Add, 10);
var command2 = new CalculatorCommand(calculator, CalculatorCommand.Operation.Multiply, 5);
var command3 = new CalculatorCommand(calculator, CalculatorCommand.Operation.Subtract, 5);
var command4 = new CalculatorCommand(calculator, CalculatorCommand.Operation.Divide, 5);
invoker.Command = command1;
invoker.Invoke();
invoker.Command = command2;
invoker.Invoke();
invoker.Command = command3;
invoker.Invoke();
invoker.Undo();
invoker.Command = command4;
invoker.Invoke();
Console.WriteLine($"Result is : {calculator.Value}");
}
static void Main(string[] args)
{
Receiver receiver = new Receiver();
ICommand cmd = new PrintCommand(receiver);
Invoker invoker = new Invoker();
invoker.StoreCommand(cmd);
invoker.Invoke();
}
static void Main(string[] args)
{
IInvoker invoker;
Console.WriteLine("Press c for Copy and p for Paste");
while (true)
{
var command = Console.ReadLine();
if (command == "c")
{
invoker = new Invoker(new CopyCommand(new Receiver()));
invoker.Invoke();
}
else if (command == "p")
{
invoker = new Invoker(new PasteCommand(new Receiver()));
invoker.Invoke();
}
}
}