监听outlook新邮件

using System;
using System.Linq;
using Microsoft.Office.Interop.Outlook;
using System.Collections.Generic;

namespace EmailReceiver
{
    class Program
    {
        static ApplicationClass outlookApp = new Microsoft.Office.Interop.Outlook.ApplicationClass();
        static NameSpace ns;
        static void Main(string[] args)
        {
            Console.WriteLine("start to monitor new emails");
            ns = outlookApp.GetNamespace("MAPI");
            outlookApp.NewMailEx += new ApplicationEvents_11_NewMailExEventHandler(outlookApp_NewMailEx);
            outlookApp.NewMail += new ApplicationEvents_11_NewMailEventHandler(outlookApp_NewMail);
            while (true)
            {

            }
        }

        static void outlookApp_NewMail()
        {
            Console.WriteLine("a new message comes: new email");
        }

        static void outlookApp_NewMailEx(string EntryIDCollection)
        {
            Console.WriteLine("a new message comes");
            AnalyzeNewItem(EntryIDCollection);
        }

        private static void AnalyzeNewItem(string entry)
        {
            var inbox = ns.GetDefaultFolder(OlDefaultFolders.olFolderInbox);
            List<MailItem> allmails = new List<MailItem>();
            foreach (var item in inbox.Items)
            {
                if (item is MailItem)
                {
                    var mail = item as MailItem;
                    allmails.Add(mail);
                }
            }
            var latest = allmails.Max(s => s.ReceivedTime);
            var latestMailItem = allmails.FirstOrDefault(s => s.ReceivedTime == latest);
            if (latestMailItem != null)
            {
                Console.WriteLine(latestMailItem.Subject);
                Console.WriteLine(latestMailItem.To);
                Console.WriteLine(latestMailItem.SenderName);
                Console.WriteLine(latestMailItem.ReceivedTime);
                Console.WriteLine(latestMailItem.Body);
            }
        }
    }
}

如果出现如下错误：Interop type 'Microsoft.Office.Interop.Outlook.ApplicationClass' cannot be embedded. Use the applicable interface instead.
把DLL中的“Embed Interop Type”值置为“False”即可。