开源的第三方MSN客户端项目介绍

MSNPSharp is a .net library that implements the MSN protocol. It's the continuation of project DotMSN started in 2002. Today, we have more than 10,000,000 users around the world using services developed based on our library.

Latest MSNP18 Release: 3.0.2 (04 Feb 2010)
Legacy MSNP15 Release: 2.5.8 (30 Oct 2009)
Development Version: 3.5.DEV (Mid of 2010)

FeaturesMessagingAddress BookRoaming ProfileNameserver(NS) and Switchboard(SB)MPOP)

The library currently supports the following features:

Custom emoticons

Offline messages (oim)

Mobile messages (sms)

Group messages (circle)

Decorated text messages

Nudges and typing messages

Yahoo! messages (nudge, typing, text messaging)

Adding, removing and blocking contacts

Creating, removing and changing contact groups

Contact type recognition (passport, yahoo and phone)

Saving contacts and deltas in encrypted addressbook files (.mcl)

Convenient enumerating through contacts in allow, block, reverse, pending and forward lists

Personal data of a contact / display image / personal message

Event-based design to notify contact presence status changes

Support for What's New service

Support for Circle groups

Privacy settings of the contact list owner

Updating display name and personal message

Saving display picture on MSN storage servers

Signing in from multiple places (

Support for bots (Provisioned_Accounts)

Hotmail mailbox status

Notifications of new mail

Setting presence status

Request or receive conversations

Multiple users in one conversation

File transfers

P2P framework support

Flexible tracing of warnings and errors

Proxy support and custom servers

Join us !LICENSEhttp://www.xihsolutions.net), Thiago.Sayao, Pang Wu, Ethem Evlice. All rights reserved.

If you are familiar with the MSN p2p protocol (No matter the old or new one), or activity(P4) protocol and have interest in our project, please contact me : freezingsoft@hotmail.com, you are the man we are seeking for!

Copyright (c) 2002-2010, Bas Geertsema, Xih Solutions (

Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:

Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.

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Neither the names of Bas Geertsema or Xih Solutions nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission.

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