In the Symbian OS, processes (or two applications) can communicate each other through the client-server framework. With the introduction of concept Platform Security in symbian, normally (without AllFiles capablity) two application can not access each others data. So in that case client-server framework will be helpful to communicate between two applications.
This article describes what ares the key APIs neede to implement client-server framework, like CServer2, CSession2, RSessionBase, RSubSessionBase, RMessage2 abd RMessagePtr2. Article also gives brief description of each API, which is helpful to user in implementing client-server communication.
--kamlesh sangani 09:30, 5 September 2009 (UTC)