Component Object Model (COM) is widely used in software which can supply integrated service , a series of easy tools and abundant applied applications.

• 组件对象模型(COM)是广泛使用的组件软件，提供丰富的集成服务、各种易用工具和丰富的应用程序。 随着应用程序的不断壮大，COM应用越来越广泛。