设计模式：命令模式

 public class Client
    {
        static void Main(string[] args)
        {

            Receiver _receiver = new Receiver();

            ConcreteCommand _conCmd = new ConcreteCommand(_receiver);

            Invoker _invoker = new Invoker();
            _invoker.SetCommand(_conCmd);
            _invoker.RunCommand();
            Console.ReadLine();
        }
    }


    #region 命令模式
    public interface Command
    {
        void Execute();
    }

    public class Invoker
    {
        private Command command = null;
        public void SetCommand(Command f_Command)
        {
            command = f_Command;
        }
        public void RunCommand()
        {
            command.Execute();
        }
    }

    public class Receiver
    {
        public void Action()
        {
            Console.WriteLine("Receiver:Action Run....");
        }
    }

    public class ConcreteCommand : Command
    {
        private Receiver reciver;

        public ConcreteCommand(Receiver f_receiver)
        {
            reciver = f_receiver;
        }

        #region Command 成员
        public void Execute()
        {
            reciver.Action();
        }
        #endregion
    }

    #endregion