Technikerschule - Städtische Fachschule für Maschinenbau-, Metallbau-, Informatik- und Elektrotechnik in München, Germany, has used QuickOPC in one of its courses. In an automation + IT class of Dipl.-Ing. Reiner Doll, students learn about various levels in industrial automation. One of their tasks is to access a control system using OPC Unified Architecture from a Visual Basic program. QuickOPC is used to achieve this task, either directly, or in form of higher-level programming blocks prepared for the students. The material to the course can be found here.