Hooking API Library is a Software Development Kit for easy and quickly develop Windows System Wide API Hooking program. It helps you hooking Windows system functions or functions in 3rd applications, this means you can call your own functions instead of some Windows system APIs or functions of other appliction, intercepts Windows system or 3rd application's functions and re-writing target function to easily customize and extend System or other existing application, whether an executable, or a library. Hook API SDK can be used in VC++,VB,C++ Builder or Delphi, It supports Win9x/NT/2000/XP/2003/Vista/2008/Win7 Systems, including 32bit and 64bit.