Datalogic QuickScan i QD2100 Guía de usuario descargar pdf (Pagina 27)

Developers Guide

Quick Reference Guide 23

External HCheck: not supported.

Interactive HCheck: not supported.

Claimed:

Returns TRUE after Claim method has been called. FALSE otherwise.

DATALOGIC devices are exclusive. It is recommended that the device be claimed and

continue to be claimed thru-out a session.

DataCount:

Returns 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 if having difficulties, an OPOS_E_NOHARDWARE will be

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

ResultCode:

Returns result of last operation.

ResultCodeExtended:

Returns extended result if the last operation produced an

OPOS_E_EXTENDED.

Otherwise this value is considered invalid.

State:

Returns

OPOS_S_CLOSED

OPOS_S_IDLE

OPOS_S_ERROR

DeviceServiceDescription:

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

1 2 ... 22 23 24 25 26 27 28 29 30 31 32 ... 37 38

Sin comentarios

Datalogic QuickScan i QD2100 Guía de usuario Pagina 27