Build your MSN bot with DotMSN

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Title: Build your MSN bot with DotMSN

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Build your MSN bot with DotMSN

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Contents

3
Preliminaries

MSN bot? Msnbot?
msnbot the web-crawling robot of MSN search (now
Live search)
MSN bot (MSN chat bot/MSN chatterbot) refers to
any application which runs automated tasks over
the internet and is accessible with a MSN/Live
messenger screen name.

4
Preliminaries

5
DotMSN API

http//www.xihsolutions.net/dotmsn/
An open-source stand-alone class library to
provide connectivity with the MSN Messenger
service
Built in C and can therefore be used by all
languages the .NET environment supports.
Easy to use and implement Flexible, robust and
lightweight
Can be used for creating messaging robots to
creating custom clients
(According to the project homepage)

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DotMSN API

Download to old version DotMSN.dll(1.2)
Sample code in C is available
Tutor has translated the code to VB.NET, made
some slight modifications and put onto the course
webpage

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Case Study A simple automated MSN client

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Case Study A simple automated MSN client

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Case Study A simple automated MSN client

Create a new instance of Messenger with the
WithEvent modifier, make it a global variable
Public WithEvents messenger As New
DotMSN.Messenger
Associate events with self-defined handlers,
enclosed by Try Catch End Try
Try
AddHandler messenger.ContactOnline, AddressOf
ContactOnline
AddHandler messenger.ConversationCreated,
AddressOf ConversationCreated
AddHandler messenger.SynchronizationCompleted,
AddressOf OnSynchronizationCompleted
Connect and Synchronize List
messenger.Connect(textUser.Text, textPass.Text)
messenger.SynchronizeList()
Catch Exception
Catch ex As MSNException
MessageBox.Show("Connecting failed "
ex.ToString())
End Try

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Case Study A simple automated MSN client

In the ConversationCreated Handler
Private Sub ConversationCreated(ByVal sender As
messenger, ByVal e As ConversationEventArgs)
AddHandler e.Conversation.ContactJoin, AddressOf
ContactJoined
AddHandler e.Conversation.ConnectionEstablished,
AddressOf ConnectionEstablished
AddHandler e.Conversation.UserTyping, AddressOf
ContactTyping
AddHandler e.Conversation.FileTransferHandler.Invi
tationReceived, AddressOf FileTransferHandler_File
TransferInvitation
AddHandler e.Conversation.MessageReceived,
AddressOf MessageReceived
End Sub
For the detailed implementation of each handler,
please refer to the sample program

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Case Study A simple automated MSN client

Set Status to online
Messenger.SetStatus(MSNStatus.Online)
Status includes Away/BRB/Busy/Hidden/Idle/Lunch/O
ffline/Online/Phone/Unknown
Receive Message
Add handler for ConversationEventArgs.Conversation
.MessageReceived handler in the
ConversationCreated handler

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Case Study A simple automated MSN client