Dll's Basic Question

Hi,
If you see a dll on your system, how do you discover what it is capable of
doing? Here's a related question. If you are using VisualBasic or some
environment and you tell the environment to include a library, are you
connecting your project to a dll? Related to that, if you are using PHP,
and you uncomment one of the extension lines in php.ini, assuming that
doing that makes it connect to a dll, what actually is happening behind the
scenes? If you answer, can you please phrase the answer in plain language?

Thanks.

Jim

James D Homme, Usability Engineering, Highmark Inc.,
james.homme@xxxxxxxxxxxx, 412-544-1810

"The difference between those who get what they wish for and those who
don't is action. Therefore, every action you take is a complete
success,regardless of the results." -- Jerrold Mundis
Highmark internal only: For usability and accessibility:
http://highwire.highmark.com/sites/iwov/hwt093/

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