How to trace a file among downloading?

[mah tah]

Hi
I'm working on my under graduate project and it's subject is about a part of google desktop and I would be appreciate if you could answer my question and forward your reply to my email<--deleted-->:
when a person wants to download a file,I want a pseudo code that tells me where the file will save?
sincerely
Mah Tah

[johny10151981]

Unfortunately you Need more knowledge to learn what you need.

Is the above line make any sense??