User's Manual Part 1

6 Scanner Support—Chapter
161700 Series Color Mobile Computer User’s Manual
IBarCodeReaderControl::ControlLED
This function controls LED illumination on a tethered scanner. The good
read LED and any valid LEDs will be turned on and off based on defined
parameters.
Syntax
HRESULT IBarCodeReaderControl::ControlLED(
ITC_BARCODE_LASER_LED_ID eLED, BOOL fLedOn );
Parameters
eLED [in] The specified LED identifier.
S ITC_BARCODE_LASER_GOOD_READ_LED
Identifies the good read LED.
fLedOn [in] TRUE turns on the LED. FALSE turns off the LED.
Return Values
HRESULT that indicates success or failure.
Remarks
This function does not coordinate LED control with the scanner. If the
scanner LED control is enabled, function results will be unpredictable.
See Also
S IBarCodeReaderControl::CancelReadRequest
S IBarCodeReaderControl::Initialize
S IBarCodeReaderControl::IssueBeep
S IBarCodeReaderControl::QueryAttribute
S IBarCodeReaderControl::Read
S IBarCodeReaderControl::SetAttribute
S IBarCodeReaderControl::TriggerScanner