Hook api is a good develop tool for programmer

[netcom]

HookAPI is the API SDK that setup SYSTEM-WIDE hooks for all windows
platform,it could easily hook 32-bit windows system APIs or 32-bit
user-defined DLL, it could be used easily,and what you need to do is
only writing a DLL file named mydll.dll or mydll_9x.dll.

Please see the detail information at
http://www.programsalon.com/en/hookapi.htm

 

[Macallan]

This is not a freeware. More likely a spam.