Start with "Using the Winsock Control" in MSDN. Examples are in VB, but are simple. If you have throubles with them, just ask :-)
Plamen Ivanov MCSD .NET Early Achiever and MCAD .NET Charter Member (VB .NET/SQL Server 2000) MCSD (VB 6.0/SQL Server 2000) br> VB (.NET) - what other language do you need in the whole Universe?...