Windows API Hooking SDK helps you hooking Windows APIs or functions in other Dlls, and replace the API function or Dlls' function to your own function, That is to say, intercepts Win32 functions and re-writing target function to easily custom and extend existing system or application's function, whether in an executable application, a library, or the system's DLLs... and it can be used in VC++,VB,C++ Builder,Delphi, etc.