Network API functions

So we can point you to specific classes\methods, can you be more specific as to what information you are looking to retreive? A good place to start looking would be the System.Net.NetworkInformation namespace (.Net Framework 2.0).

If you are intention is to send a broadcast message in a network and expect a reply from machines connected on to the network, you can use multicastoption on the socket. The other machines can have a service running that listen on the multicast address and respond when they get a message... There is a post on asynchronous sockets in this forum which has a sample source code which might help you get started on this..