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MinHook

A Windows API hooking library originally written by Tsuda Kageyu.

http://www.codeproject.com/KB/winsdk/LibMinHook.aspx

Main differences from original v1.1

  • Removed boost dependency (jarredholman).
  • Fixed a small bug in the GetRelativeBranchDestination function (pillbug99).
  • Added the MH_RemoveHook function, which removes a hook created with the MH_CreateHook function.
  • Added the following functions to enable or disable multiple hooks in one go: MH_EnableAllHooks, MH_DisableAllHooks, MH_EnableMultipleHooks, MH_DisableMultipleHooks. This is the preferred way of handling multiple hooks as every call to MH_EnableHook or MH_DisableHook suspends and resumes all threads.
  • If the target function is too small to be patched with a jump, MinHook tries to place the jump above the function. If that fails as well, the MH_CreateHook function returns MH_ERROR_UNSUPPORTED_FUNCTION. This fixes an issue of hooking the LoadLibraryExW function on Windows 7 x64 (reported by Obble).