组件化编程及数据变化通知机制

组件对象模型技术是Microsoft许多软件的基础,它提供了能跨越编程语言、操作系统和网络访问组件对象的通用途径,使软件以组件方式集成成为可能.阐述了COM组件技术的一些基本概念,说明了COM组件的实现细节和内部机制的应用.;The problem of version Component Object Model technology is the basis of many of the Microsoft software， providing a general way to access components of the Object across the programming language，operating system and network，making software the integration of software in the form of components possible.Some basic concepts of COM components are expounded，detailing the COM components of the implementation and the application of the internal mechanism