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Which is the hook for the GetMessage function?
The WH_GETMESSAGE hook enables an application to monitor messages about to be returned by the GetMessage or PeekMessage function. You can use the WH_GETMESSAGE hook to monitor mouse and keyboard input and other messages posted to the message queue. For more information, see the GetMsgProc callback function.
What is the identifier of the hook procedure?
The identifier of the thread with which the hook procedure is to be associated. For desktop apps, if this parameter is zero, the hook procedure is associated with all existing threads running in the same desktop as the calling thread. For Windows Store apps, see the Remarks section.
How is the wh journalrecord hook used in Win32?
The WH_JOURNALRECORD hook enables you to monitor and record input events. Typically, you use this hook to record a sequence of mouse and keyboard events to play back later by using WH_JOURNALPLAYBACK. The WH_JOURNALRECORD hook is a global hook—it cannot be used as a thread-specific hook.
Where does the wh _ callwndprocret hook pass a pointer?
The WH_CALLWNDPROCRET hook passes a pointer to a CWPRETSTRUCT structure to the hook procedure. The structure contains the return value from the window procedure that processed the message, as well as the message parameters associated with the message. Subclassing the window does not work for messages set between processes.
How does the wh _ keyboard hook work in Win32?
The WH_KEYBOARD hook enables an application to monitor message traffic for WM_KEYDOWN and WM_KEYUP messages about to be returned by the GetMessage or PeekMessage function. You can use the WH_KEYBOARD hook to monitor keyboard input posted to a message queue. For more information, see the KeyboardProc callback function.
When to use a thread specific hook procedure?
A thread-specific hook procedure is called only in the context of the associated thread. If an application installs a hook procedure for one of its own threads, the hook procedure can be in either the same module as the rest of the application’s code or in a DLL.
Can a wh _ journalplayback hook be used as a thread specific hook?
Regular mouse and keyboard input is disabled as long as a WH_JOURNALPLAYBACK hook is installed. A WH_JOURNALPLAYBACK hook is a global hook—it cannot be used as a thread-specific hook. The WH_JOURNALPLAYBACK hook returns a time-out value.