[MSDN Library June 1998] WH_CALLWNDPROC and WH_CALLWNDPROCRET Hooks (100%)

MSDN Library Visual Studio 6.0 > Platform SDK > Windows Base Services > Interprocess Communication > Hooks > About Hooks > Hook Types

[MSDN Library June 1998] WH_CALLWNDPROC, WH_GETMESSAGE Hooks Sample Code (17.8854799898683%)

MSDN Library Visual Studio 6.0 > Knowledge Base > Windows Software Development Kit