The easist way to communicate through COM-ports is to use Microsoft COM control. Read MSDN topic "MSComm Control".
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?...