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 inactivity timeout value.
HRESULT ITCGetScreenLightTimeout(
DWORD dwPowerSelect,
DWORD* pdwTimeout
)
dwPowerSelect
[in] 0xAC: AC power supply.
[in] 0xDC: Battery or DC power supply.
pdwTimeout
[out] Returns the current LCD light inactivity timeout in seconds. For AC power, a value of zero represents infinity.
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 File: ITC50.H
Library: ITC50.LIB