Datalogic QuickScan L QD2300 Manual de usuario descargar pdf (Pagina 36)

Developers Guide

Datalogic™ OPOS Service Objects

DataCount:

Returns the number of Data Events Queued.

DataEventEnabled:

Returns TRUE or FALSE depending on the previous SetProperty call.

DeviceEnabled:

Returns TRUE or FALSE depending on the previous SetProperty call.

FreezeEvents:

Returns TRUE or FALSE depending on the previous SetProperty call.

OpenResult:

Returns 0.

PowerNotify:

Returns OPOS_PN_DISABLED or OPOS_PN_ENABLED.

PowerState:

Returns OPOS_PS_ONLINE.

If the communication channel is having difficulties, an

OPOS_E_NOHARD-

WARE will be returned on calls that send and receive data from the scanner.

If PowerNotify is set to "OPOS_PN_ENABLED", then:

• If the Scanner is Plugged and Enabled:

OPOS_PS_ONLINE

•otherwise:

OPOS_PS_OFF_OFFLINE

ResultCode:

Returns result of last operation.

ResultCodeExtended:

Returns 0

State:

Returns

OPOS_S_CLOSED

OPOS_S_IDLE

OPOS_S_ERROR

DeviceServiceDescription:

Returns a descriptive string depending on the interface and device type.

DeviceServiceVersion:

Returns 101200XX. where XX is the minor version.

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Datalogic QuickScan L QD2300 Manual de usuario Pagina 36