What does component support binary compatibility means?
We dont have to unregistered and register the control every time we compile it again and again. Means the CLSID and IID remains same for new builds of the component each time. DCOM How COM Is Different COM is not C++, and for good reason. COM objects are somewhat more complicated then their C++ brethren. Most of this complication is necessary because of network considerations. There are four basic factors dictating the design of COM: C++ objects always run in the same process space. COM objects can run across processes or across computers. COM methods can be called across a network. C++ method names must be unique in a given process space. COM object names must be unique throughout the world. COM servers may be written in a variety of different languages and on entirely different operating systems, while C++ objects are always written in C++. Note :When we write COM code we dont use new and delete. An Interface is a sort of Abstarct class but not exactly. An interface is nothing but a
