Refer to the API documentation at http://www.multichain.com/developers/json-rpc-api/ for details of the calls.
Example:
internalasyncTaskDoMagic(){// connect to the client...varclient=newMultiChainClient("192.168.40.130",50001,false,"rpc_username","rpc_password","the_chain_name");// get some info back...varinfo=awaitclient.GetInfoAsync();Console.WriteLine("Chain: {0}, difficulty: {1}",info.Result.ChainName,info.Result.Difficulty);}