ITCGetScreenBrightness

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 LCD brightness level associated with the current power source (either AC or Battery/DC).

Syntax

HRESULT ITCGetScreenBrightness(
DWORD* pdwBrightness
)

Parameters

pdwBrightness
[out] Returns a value representing the current brightness level. The supported brightness range is from 1 to the value set by ITCGetMaxScreenBrightness.

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