using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;

namespace WindowsApplication1
{
    public partial class MyForm : Form
    {
        private MyClass cl = new MyClass();

        public void MyForm()
        {
            InitializeComponent();
            this.cl.SendMessage += new System.EventHandler(OnMessageReceived);
        }

        public void OnMessageReceived(object sender, System.EventArgs e)
        {
            string msgContent = ((MessageEventArgs)e).msgContent;
        } 
    }   
}