A Remoting Event (Simple and Efficient for Enterprise Solutions)

using System;
using System.Collections.Generic;
using System.Text;

namespace Remotable
{
    public class WrapperClass : MarshalByRefObject
    {

        /// <summary>
        /// Occurs when a broadcast message received.
        /// </summary>
        public event MessageHandler WrapperMessageReceived;
        /// <summary>
        /// Wrapper method for sending message to the clients.
        /// </summary>
        /// <param name="sender">Caller object</param>
        /// <param name="args">Message data</param>
        public void WrapperMessageReceivedHandler(string message)
        {
            // forward the message to the client
            if(WrapperMessageReceived != null)
                WrapperMessageReceived(message);
        }
        
        /// <summary>
        /// Obtains a lifetime service object to control the lifetime policy for this
        /// instance.
        /// </summary>
        /// <returns>
        ///An object of type System.Runtime.Remoting.Lifetime.ILease used to control
        ///the lifetime policy for this instance. This is the current lifetime service
        ///object for this instance if one exists; otherwise, a new lifetime service
        ///object initialized to the value of the System.Runtime.Remoting.Lifetime.LifetimeServices.LeaseManagerPollTime
        ///property.
        ///null value means this object has to live forever.
        /// </returns>
        public override object InitializeLifetimeService()
        {
            // this object has to live "forever"
            return null;
        }
    }

}