Como utilizar a biblioteca de CDOSYS.dll para processam o correio no directório Drop utilizando o Visual C#

namespace CdoSys
{
    using System;
    class Class1
    {
        static void Main(string[] args)
        {
            try 
            {           
                CDO.DropDirectory iDropDir = new CDO.DropDirectory();
                CDO.IMessages iMsgs;
 
                CDO.IMessage iMsgReply;
                CDO.IMessage iMsgReplyAll;
                CDO.IMessage iMsgForward;

                // Get the messages from the Drop directory.
                iMsgs = iDropDir.GetMessages("C:\\Inetpub\\mailroot\\Drop");
                Console.WriteLine("Messages Count : " + iMsgs.Count.ToString());

                foreach (CDO.IMessage iMsg in iMsgs)
                {
                    Console.WriteLine(iMsgs.get_FileName(iMsg));

                    // Output some common properties of the extracted message.
                    Console.WriteLine("Subject: " + iMsg.Subject);
                    Console.WriteLine("TextBody: " + iMsg.TextBody);
                    Console.WriteLine("datereceived: " + iMsg.Fields["urn:schemas:httpmail:datereceived"].Value);
                    Console.WriteLine("sendername: " + iMsg.Fields["urn:schemas:httpmail:sendername"].Value);
                    Console.WriteLine("senderemail: " + iMsg.Fields["urn:schemas:httpmail:senderemail"].Value);
                    Console.WriteLine("from: " + iMsg.Fields["urn:schemas:httpmail:from"].Value);
                    Console.WriteLine("sender: " + iMsg.Fields["urn:schemas:httpmail:sender"].Value);

                    // Reply.
                    iMsgReply = iMsg.Reply();
          
                    // TODO: Change "rhaddock@northwindtraders.com" to your e-mail address.
                    iMsgReply.From = "rhaddock@northwindtraders.com";
                    iMsgReply.TextBody = "I agree. You can continue." + "\n\n" + iMsgReply.TextBody;
                    iMsgReply.Send();

                    // This is ReplyAll.
                    iMsgReplyAll = iMsg.ReplyAll();

                    // TODO: Change "rhaddock@northwindtraders.com" to your e-mail address.
                    iMsgReplyAll.From = "rhaddock@northwindtraders.com";
                    iMsgReplyAll.TextBody = "I agree. You can continue" + "\n\n" + iMsgReplyAll.TextBody;
                    iMsgReplyAll.Send();

                    // This is Forward.
                    iMsgForward = iMsg.Forward();
            
                    // TODO: Change "rhaddock@northwindtraders.com" to your e-mail address.
                    iMsgForward.From = "rhaddock@northwindtraders.com";
                    // TODO: Change "Jonathan@northwindtraders.com" to the address that you want to forward to.
                    iMsgForward.To = "Jonathan@northwindtraders.com";
                    iMsgForward.TextBody = "You missed this." + "\n\n" + iMsgForward.TextBody;
                    iMsgForward.Send();
                }

                // Clean up memory.
                iMsgs = null;
                iMsgReply = null;
                iMsgReplyAll = null;
                iMsgForward = null;
            }
            catch (Exception e)
            {
                Console.WriteLine("{0} Exception caught.", e);
            }
            return;
        }
    }
}