OPC Studio User's Guide and Reference
OPC Classic thick-client .NET applications on LAN
The most typical use of QuickOPC.NET involves a thick-client user application written in one of the Microsoft .NET languages. This application uses the types from QuickOPC.NET object model, and accesses data within OPC servers that are located on remote computers on the same LAN (Local Area Network). The communication with the target OPC server is performed by Microsoft COM/DCOM technology.
The following picture shows how the individual pieces work together:
