What is hook? - Definition from WhatIs.com
Part of the Programming glossary:

In programming, a hook is a place and usually an interface provided in packaged code that allows a programmer to insert customized programming. For example, a programmer might want to provide code that analyzed how often a particular logic path was taken within a program. Or a progammer might want to insert an additional capability. Typically, hooks are provided for a stated purpose and are documented for the programmer.

Some writers use hook to also mean the program that gets inserted.

This was last updated in March 2008
Contributor(s): Fabio Marques Ferreira
Posted by: Margaret Rouse

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