ILMScrCapUserEventsCallback Interface

This is a user callback interface that should be implemented and registered using SetUserEventsCallbackObject method of the ILMScrCap interface.

Interface Methods:

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HRESULT MouseEventsProc(long lMsg, long lXPos, long lYPos, long lWheelDelta, long pUserData)

Parameters

lMsg	Specifies the identifier of the mouse message. This parameter can be one of the following messages:
	Value	Meaning
	USEREVENT_LBUTTONDOWN	The left mouse button is pressed.
	USEREVENT_LBUTTONUP	The left mouse button is released.
	USEREVENT_MOUSEMOVE	The mouse moves.
	USEREVENT_MOUSEWHEEL	The mouse wheel is rotated.
	USEREVENT_RBUTTONDOWN	The right mouse button is pressed.
	USEREVENT_RBUTTONUP	The left mouse button is released.
lXPos	The X-coordinate of the mouse.
lYPos	The Y-coordinate of the mouse.
lWheelDelta	Wheel delta where a positive value indicates that the wheel was rotated forward, away from the user; a negative value indicates that the wheel was rotated backward, toward the user. One wheel click is defined as WHEEL_DELTA, which is 120. This is valid only when the message is WM_MOUSEWHEEL.
pUserData	Pointer to the user data.

Description

The filter will call this method every time a new mouse input event is posted.

HRESULT KeyboardEventsProc([in] long lMsg, [in] long lvKey, [in] VARIANT_BOOL bAltPressed, [in] long pUserData)

Parameters

lMsg	Specifies the identifier of the keyboard message. This parameter can be one of the following messages:
	Value	Meaning
	USEREVENT_KEYDOWN	The nonsystem key is pressed.
	USEREVENT_ KEYUP	The nonsystem key is released.
	USEREVENT_SYSKEYDOWN	The system key is pressed.
	USEREVENT_SYSKEYUP	The system key is released.
lvKey	Specifies a virtual-key code.
bAltPressed	Indicates if the ALT key is pressed or not.
pUserData	Pointer to the user data.

Description

The filter will call this method every time a new keyboard input event is posted.