组件技术的本质COM理论知识（国外英文资料）.docVIP

组件技术的本质COM理论知识（国外英文资料） Perhaps you have some questions about the title, the nature of component technology is COM? To be clear, the component technologies mentioned here are all on the Windows platform, in the Windows platform What is the nature of the piece? No criticism, COM! Although DCOM, MTS, COM +, and Not even Net are often used Its on the programmers lips, but what is it? Is the COM. Why should I say that, perhaps As you explain, you will naturally know the answer to this question. In introducing the Component Object Model (Component Object Model), we omit some details because I think were going to have to talk about it for a long time, and again, the author I cant say that I can handle COM completely. However, you will do your best to do this in this article and in future articles M is a multi-faceted introduction, and the friends who have tried to read the article can have a clear understanding of COM and can Independent completion of COM component authoring. Lets move on. As shown in the figure above, it is a complete COM component diagram that can be extended to any component, their closing The system, as shown in the figure above, contains the relationship that is included. In this case, the CoClass is the part that is really wrapping the interface, We take a step-by-step analysis as shown above, in fact, each Coclass can be a COM object Each CoClass can implement multiple interfaces, and the Interface has been introduced in previous articles So, whats the difference between the COM Interface and the Interface weve identified here? To a certain extent, we The identified COM Interface and Interface can be thought of as a concept, but only here to make it more explicit Each of the details of the article was done so that the friends of the article should not be confused. A friend said quite well What we call OOP is the source code level for the users actions, and the component is from the bottom, two In order to make a certain specification for the users o