Hook Types

Each type of hook enables an application to monitor a different aspect of the system's message-handling mechanism. The following sections describe the available hooks.

• WH_CALLWNDPROC and WH_CALLWNDPROCRET Hooks
• WH_CBT Hook
• WH_DEBUG Hook
• WH_FOREGROUNDIDLE Hook
• WH_GETMESSAGE Hook
• WH_JOURNALPLAYBACK Hook
• WH_JOURNALRECORD Hook
• WH_KEYBOARD Hook
• WH_KEYBOARD_LL Hook
• WH_MOUSE Hook
• WH_MOUSE_LL Hook
• WH_MSGFILTER and WH_SYSMSGFILTER Hooks
• WH_SHELL Hook