ActiveX/COM/DCOM

An ActiveX is class, is a library, is a COM object further more is a concept itself. ActiveX controls are pieces of code compiled and linked that could live in a dll or by itself in an ocx file. The ActiveX must be loaded by other applications like a web browser or you can drag [...]

The ActiveX is a container with a well-determined functionality. Everybody has heard or seen an ActiveX control. They are everywhere. You could see them in everyday programs, in your office suite or when you are browsing the Internet. An ActiveX can be a media player, a button or a picture. It can simulate custom components [...]