WebEvent

[Rodrigo Ferreira]

What is the best way to creat a instant chatting program like msn? I mean,
the part of detecting that a user has send a message to you.
Thanks!

 

[Nicholas Paldino [.NET/C# MVP]]

Rodrigo,

Well, there are two ways of going about it. If you have a persistant
connection to the client, then the server can send a notification to the
client, and the client can respond.

If not, then the client will have the poll the server at a set interval,
letting the server know through some mechanism what the last message it got
was. Then, the server will respond with the messages that the client needs
to be updated with.