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

Provided that you know all the DLL functions in advance, one technique is to write your own wrapper DLL that will forward all function calls to the real DLL. This DLL doesn't have to be written in C/C++. All you need to do is to match the function calling convention of the original DLL.