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see values passed into a DLL?

Is there a way to see the values being passed into an API call to a DLL?

For instance, I was writing some code to simulate the user changing a computer name and adding it to a domain.

I was able to figure out how to do this using netapi32.dll NetJoinDomain and kernel32.dll's SetComputerNameEx but it took a bit me a while.

Is there a way to actually see the calls being made to particular DLL files? The parameters and functions?

Solution

  • An utility that may help you is Process Monitor. It displays, in real time, all calls to the system DLLs and provides some data about its parameters. It's not the ultimate monitoring tool but it does a good job catching most calls with a lot of info for system calls at least.