designPattern/DesignPattern/Command/User.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Command
{
    internal class User
    {
        private List<ICommand> _commands = new List<ICommand>();

        public void AddCommand(ICommand command)
        {
            _commands.Add(command);
        }

        public void AddCommand(StockBroker broker, string symbol, TxType txType, int qty)
        {
            ICommand command = new StockCommand(broker, symbol, txType, qty);
            _commands.Add(command);
        }

        public void ExecuteAll()
        {
            foreach (ICommand cmd in _commands)
            {
                cmd.Execute();
            }
        }
    }
}