How to get a list of all files processes in WinXP are holding ?

Question

There must be some application for this kind, for I've never needed it until now, and that I do need it I can't find it.

I know of Unlocker, but it cannot give me a list.

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Edit: A subquestion on ProcessExplorer's list. Which is what I really wanted to know in the first place. Why does Explorer (Windows Explorer) lock some files (refuses to delete, so I have to take Unlocker) which the ProcessExplorer doesn't show ?

I could make this an another question, but what would be the point, except flooding the board.

Answer 1

ProcessExplorer

Not sure that it will list all files per process, but you can search for a file name and it will tell you which process has it open.

Edit: Yes, it does. Select View/Lower Pane View/Handles to see all the files open for a given process.

Answer 2

You can use Handle.

Answer 3

You don't need anything.
Just enumerate the process handle table with Win32 api. C code posted hundreds of times on Google Groups and underground Win32 boards.