Message or event hook functions
[Message functions]

Data Structures

• struct _HOOKINFO

Defines

• #define HOOK_GOON   0
• #define HOOK_STOP   1

Typedefs

• typedef int(* MSGHOOK )(void *context, HWND dst_wnd, int msg, WPARAM wparam, LPARAM lparam)

  Type of message hook function.
  

• typedef struct _HOOKINFO HOOKINFO

Functions

• MG_EXPORT MSGHOOK GUIAPI RegisterKeyMsgHook (void *context, MSGHOOK hook)

  Registers a key message hook.
  

• MG_EXPORT MSGHOOK GUIAPI RegisterMouseMsgHook (void *context, MSGHOOK hook)

  Registers a mouse message hook.
  

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Define Documentation

#define HOOK_GOON   0

See also:

SRVEVTHOOK RegisterKeyHookWindow RegisterMouseHookWindow

Definition at line 2819 of file window.h.

#define HOOK_STOP   1

See also:

SRVEVTHOOK RegisterKeyHookWindow RegisterMouseHookWindow

Definition at line 2825 of file window.h.

---

Typedef Documentation

typedef struct _HOOKINFO HOOKINFO

Structure defines a message hook.

typedef int(* MSGHOOK)(void *context, HWND dst_wnd, int msg, WPARAM wparam, LPARAM lparam)

Type of message hook function.

Definition at line 2835 of file window.h.

---

Function Documentation

MSGHOOK GUIAPI RegisterKeyMsgHook	(	void *	context,
		MSGHOOK	hook
	)

Registers a key message hook.

This function registers a key message hook pointed to by hook.

When the desktop receives a key message, it will send it to the hook first, and passes the context value to the hook as the first argument.

Parameters:

	context	The context value will be passed to the hook.
	hook	The hook. This function will unregister the old hook if hook is NULL.

Returns:

The old hook.

See also:

UnregisterHook, KEYMSGHOOK

MSGHOOK GUIAPI RegisterMouseMsgHook	(	void *	context,
		MSGHOOK	hook
	)

Registers a mouse message hook.

This function registers a mouse message hook pointed to by hook.

When the desktop receives a mouse message, it will send it to the hook first, and passes the context value to the hook as the first argument.

Parameters:

	context	The context value will be passed to the hook.
	hook	The hook. This function will unregister the old hook if hook is NULL.

Returns:

The old hook.

See also:

UnregisterHook, KEYMSGHOOK