Denso BHT-700-CE Reference Manual page 107

BHT_GetBltStatus
Description
Read the backlight status.
Syntax
DWORD BHT_GetBltStatus (
DWORD* pdwStatus
Parameters
pdwStatus
[out] Current backlight status
pdwStatus
BHT_BL_ENABLE_ON
BHT_BL_ENABLE_OFF
BHT_BL_DISABLE
Return value
Error code
ERROR_SUCCESS
ERROR_INVALID_PARAMETER Storage address not specified.
)
Specification
Backlight ON
Backlight OFF
Backlight enabled
Successful completion
Meaning
102