远程对象服务器
using System;
using System.Runtime.Remoting;
using System.Runtime.Remoting.Channels;
using System.Runtime.Remoting.Channels.Tcp;
using System.Runtime.Remoting.Lifetime;
using System.Configuration;

namespace RemotingItem
{
    public class Server
    {
        /////
        ///constructor
        public Server()
        {
        }
        /////
        ///main method
        public static int Main(string [] args)
        {
            //-----------------------------------------------
            //select channel to communicate
            //-----------------------------------------------
            int port = ConfigurationSettings.AppSettings["Port"] == null ? 18085 : int.Parse(ConfigurationSettings.AppSettings["Port"]) ;
            TcpChannel chan = new TcpChannel(port);
            Console.WriteLine("Port:" + port);
            ChannelServices.RegisterChannel(chan);

//-----------------------------------------------
            //重新设定租约。远程对象生命周期应为租用管理器所设定的值－－永久有效
            //-----------------------------------------------
            LifetimeServices.LeaseTime = TimeSpan.Zero;

//-----------------------------------------------
            //register remote object
            //-----------------------------------------------
            RemotingConfiguration.RegisterWellKnownServiceType(
                typeof(RemoteObject),
                "RemotingServer",
                WellKnownObjectMode.Singleton );

//-----------------------------------------------
            //等待执行下一命令
            //-----------------------------------------------
            Console.WriteLine ("Waiting"); 
            Console.ReadLine ();

//-----------------------------------------------
            //quit
            //-----------------------------------------------
            chan.StopListening();
            chan = null;
            return 0;
        }
    }
}

using System;
using System.Runtime.Remoting;
using System.Runtime.Remoting.Channels;
using System.Runtime.Remoting.Channels.Tcp;
using System.Diagnostics;
using System.Threading;
using System.IO;
using System.Configuration;
using System.Runtime.Remoting.Lifetime;

namespace RemotingItem
{
    public class RemoteObject : MarshalByRefObject
    {
        //
        ///constructor
        public RemoteObject()
        {
            Console.WriteLine("************************************");
            Console.WriteLine("*             New Task             *");
            Console.WriteLine("************************************");
        }
    
        //-----------------------------------------------
        //return message reply 测试远程对象是否激活
        //-----------------------------------------------
        public String ReplyMessage(String msg)
        {
            Console.WriteLine("Client : "+msg);             
            return "Server : Yeah! I'm here";
        }

//-----------------------------------------------
        //重新设定租约。当注释如下代码时生命周期应为租用管理器所设定的值
        //-----------------------------------------------
        public override object InitializeLifetimeService()
        {
            ILease lease = (ILease)base.InitializeLifetimeService();
            if (lease.CurrentState == LeaseState.Initial)
            {
                lease.InitialLeaseTime = TimeSpan.FromMinutes(1000000);
                lease.RenewOnCallTime = TimeSpan.FromSeconds(20);
            }
            return lease;  
        }

//-----------------------------------------------
        //执行客户端传递过来的命令
        //-----------------------------------------------
        public string DosCommand(String WorkingDirectory, String CmdStr,String ResultDirectory)
        {
            
            string output    ="";
            string RetVal    = "true"; //返回值 
            string [] command;
            ProcessStartInfo psi;
            Process p;
                
            try
            {
                if (WorkingDirectory.Substring(WorkingDirectory.Length-1,1) != @"\")
                {
                    WorkingDirectory =WorkingDirectory + @"\";
                }

//**************
                //调用CMD
                //**************
                psi = new ProcessStartInfo("cmd"); 
                if (WorkingDirectory.Length >1)
                    psi.WorkingDirectory=WorkingDirectory;
                else
                    psi.WorkingDirectory=".";
                psi.RedirectStandardOutput = true; 
                psi.RedirectStandardInput = true; 
                psi.UseShellExecute = false; 
                p = Process.Start(psi);

//**************
                //执行
                //**************
                command = CmdStr.Split(',');                    
                foreach (string s in command)
                {
                    Console.WriteLine("  [EXEC]"+s);
                    p.StandardInput.WriteLine(s); 
                }        
                p.StandardInput.WriteLine("exit");                    
                output = p.StandardOutput.ReadToEnd();
                p.WaitForExit();

p.Close();
                p        = null;
                psi        = null;
                output    = null;
                command = null;
                return RetVal;
            }
            catch (Exception ex)
            {
                p        = null;
                psi        = null;
                output    = null;
                command = null;
                Console.WriteLine(ex.Message.ToString());
                return ex.Message.ToString();
            }            
        }
    }
}