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Hi
let me make my question clear. Two people using my app are connected to the internet. Both have each other’s IP and they want to chat (like Y!messanger) with each other.
I think I need to use Indy components; right? Which component should I use?
Thanks in advance
In general, you are looking to create a “Client/Server” type application. A quick Google search for “indy client server example” pulls up lots of results, including this one: http://www.devarticles.com/c/a/Delphi-Kylix/A-Real-World-Client-Server-Application-in-Delphi/
In reality, this gets a lot more complicated when you have firewalls and NATs with private IP addresses. You will have to consider how your application will either get around or through these types of technologies.