whats are ActiveX Controls?

Question

Please explain me about ActiveX controls ?

Answer 1

ActiveX controls are files that have the extension OCX. You can add them to your program ot add functionality. Examples include the Common Dialog box control, which adds the ability for a program to show standard "Open", "Save As...", "Print...", "Print Setup", "Font" and "Color" dialog boxes, and the Rich text box control, which allows a program to show formatted text (boldface, italicized, underlined, etc). These are stored as external components of an application, and can be referenced by any application. How you reference them depends on the language and version you are using.

Answer 2

A control using ActiveX technologies. An ActiveX control can be automatically downloaded and executed by a Web browser. ActiveX is not a programming language, but rather a set of rules for how applications should share information. Programmers can develop ActiveX controls in a variety of languages, including C, C++, Visual Basic, and Java.
An ActiveX control is similar to a Java applet. Unlike Java applets, however, ActiveX controls have full access to the Windows operating system. This gives them much more power than Java applets, but with this power comes a certain risk that the applet may damage software or data on your machine. To control this risk, Microsoft developed a registration system so that browsers can identify and authenticate an ActiveX control before downloading it. Another difference between Java applets and ActiveX controls is that Java applets can be written to run on all platforms, whereas ActiveX controls are currently limited to Windows environments.

Related to ActiveX is a scripting language called VBScript that enables Web authors to embed interactive elements in HTML documents.

Answer 3

you can get full details on this web page
http://en.wikipedia.org/wiki/Object_Linking_and_Embedding#ActiveX_and_controversies

http://www.webopedia.com/TERM/A/ActiveX_control.html