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Aiming at the problem that there are many .NET based software need to access COM based OPC servers. This article developed an OPC client for .NET based advanced control software. Firstly, this article introduces the structural characteristics of OPC, then describes the whole process to develop this client software, and finally shows the experiments result that the client could access data with an OPC server stabilized. This client could be a good solution to solve the communication problem between .NET and COM platforms. |