In my previous blog post I wrote about the PI OPC UA Server, but I didn't say anthing about the client side. You might be wondering how could someone develop such an application and how difficult that can be. If you want to learn how to do it, you came to the right place! I will show you how to do it in 10 easy steps. You can also get the attached sample project and build it with Visual Studio 2005 or 2008.