Thursday, April 29, 2010

About Active X and COM

A set of technologies that enable software components to interact with one another in a networked environment, regardless of the language in which the components were created. ActiveX, which was developed as a proposed standard by Microsoft in the mid 1990s and is currently administered by the Open Group, is built on Microsoft's Component Object Model (COM). Currently, ActiveX is used primarily to develop interactive content for the World Wide Web, although it can be used in desktop applications and other applications. ActiveX controls can be embedded in Web pages to produce animation and other multimedia effects, interactive objects, and sophisticated applications. See also COM.

ActiveX client
An application or tool that calls an ActiveX object.

ActiveX object
An exposed object of the Component Object Model (COM).

Component Object Model (COM)
An open architecture for cross-platform development of client/server applications. It is based on object-oriented technology as agreed upon by Digital Equipment Corporation and Microsoft Corporation. COM defines the interface, similar to an abstract base class, IUnknown, from which all COM-compatible classes are derived.


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