Andrej Tozon's blog

Check out the dotMSN Class Library, written in C#, which lets you use the MSN Messenger Service in your own applications. Provided example shows you its basic features, which include (taken from the site):

·        Connecting / disconnecting with the MSN Messenger service
MSNP8 protocol

·        File transfer

·        Fires events when contact go online or offline or change status

·        Automatically synchronizes contact lists and keeps contact data up to date

·        Create/Remove contactgroups

·        Convenient enumerating through contacts in different lists

·        Request or receive conversations

·        Multiple users in one conversation

·        Send messages

·        Received messages include information about font, charset, color, decoration

·        Privacy settings of the contactlist owner

·        Provides hotmail inbox status

·        Error handling

Related: Microsoft releases beta version of web based MSN Messenger – runs in your web browser, no need for client install… Cool!