Datalogic QuickScan i QD2100 Guia do Utilizador descarregar pdf (Página 30)

Developers Guide

26 Datalogic™ OPOS Service Object

OPOS_CH_INTERACTIVE is supported.

Returns

OPOS_SUCCESS

OPOS_E_NOTCLAIMED

OPOS_E_DISABLED

OPOS_E_ILLEGAL

CheckHealthText property will hold the text result of this method call.

ClearInput:

Returns

OPOS_SUCCESS

OPOS_E_DISABLED

OPOS_E_NOTCLAIMED

DirectIO:

Returns

OPOS_E_NOTCLAIMED

OPOS_E_OFFLINE

OPOS_E_ILLEGAL

ReleaseDevice:

Returns OPOS_SUCCESS.

OPOS_E_ILLEGAL if the device has not been claimed.

This call will deactivate the communication with the device. It is re

commended that a

program keep the device Claimed until an application quits.

ResetStatistics:

Returns OPOS_E_ILLEGAL

DATALOGIC OPOS

Scale service objects do not support reset statistics.

RetrieveStatistics:

Supported on all interfaces.

Returns

OPOS_SUCCESS or OPOS_E_ILLEGAL.

UpdateStatistics:

Returns OPOS_E_ILLEGAL.

DATALOGIC OPOS Scale service objects do not support update statistics.

Please refer to Appendix A for supported DirectIO functions.

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