Kepware OPC Server document.

OPC Client 动态连接库开发和应用-OPC Client ddl development and application

opc相关的很全的资料，全面介绍了OPC的接口，内存管理，安全等各方面的信息，值得收藏-opc-related information on a very full and comprehensive descr iption of the OPC interfaces, memory management, security and other information on all aspects, it is worth Collection