How to intercept dll method calls?

Question

How to intercept dll method calls?

• What are the techniques available for it?
• Can it be done only in C/C++?
• How to intercept method calls from

Answer 1

See Microsoft Detours for a library with a C/C++ API. It's a bit non-trivial to inject it in all other programs without triggering virusscanners/malware detectors. But your own process is fair game.