在WinCE中如何捕捉并处理Windows消息，和自定义Windows消息

using System;
using System.Collections.Generic;
using System.Text;
using Microsoft.WindowsCE.Forms;

namespace RFIDOperator
{

    internal class MessageWindowForm : MessageWindow
    {

        protected override void WndProc(ref Message message)
        {
            switch (message.Msg)
            {

               //do something

            }

        }

    }

}