COM技术及其在工业自动化软件中的应用

本文介绍了组件对象模型的概念，它是一种协议或编程方法－－把应用程序分成一个个组件，然后象塔积木一样用组件来构成应用程序。本文对组件对象模型最重要的ＣＯＭ接口也进行了通俗的概述，最后讲术了ＣＯＭ技术在工业自动化软件中的应用。

Summariz on OLE for Process Control

This paper introduces the Component Object Model concept,which is one kind of protocols or program methods splitting an application program into component s and building the program as easily as putting up building blocks.Also,this pap er describes the most important COM interfaces of the model,and outlines in the end the application of the model in industrial automation software.