ITCGetScreenLight

This function is supported by all computers with a backlit LCD screen. See the computer user manual for more information on its backlight capability.

Returns the current state of the backlight.

Syntax

HRESULT ITCGetScreenLight(
BOOL* pfON_OFF,
)

Parameters

pfON_OFF
[out] TRUE if backlight is on.
[out] FALSE if backlight is off.

Return Values

HRESULT indicating success or failure. Honeywell recommends using the result-code macros to evaluate the return code.

If your computer does not have a backlit screen, this function returns ITC_ERROR_FUNCTION_NOT_SUPPORTED.

Header and Library Files

Header File: ITC50.H

Library: ITC50.LIB

More Information

Light Control Functions