WIA_IPS_BARCODE_READER

The WIA_IPS_BARCODE_READER property is used by the WIA minidriver to list the available barcode reader location (one/fixed or multiple) and by the application client to select one of these locations and enable barcode detection.

Property Type: VT_I4

Valid Values: WIA_PROP_LIST

Access Rights: Read/Write

Remarks

The following table describes the required values for the WIA_IPS_BARCODE_READER property.

ValueDefinition

WIA_BARCODE_READER_DISABLED

Barcode detection is disabled. This is the required default value.

WIA_BARCODE_READER_AUTO

Barcode detection is enabled. The barcode reader location is automatically selected by the device at run time depending on the active scan input source.

 

The following table describes the optional values for the WIA_IPS_BARCODE_READER property.

ValueDefinition

WIA_BARCODE_READER_FLATBED

Barcode detection is enabled for the documents scanned on the scanner flatbed.

WIA_BARCODE_READER_FEEDER_FRONT

Barcode detection is enabled for the front side of the documents scanned on the scanner feeder.

WIA_BARCODE_READER_FEEDER_BACK

Barcode detection is enabled for the front side of the documents scanned on the scanner feeder.

WIA_BARCODE_READER_FEEDER_DUPLEX

Barcode detection is enabled. The barcode reader location is automatically selected by the device at run time depending on the active scan input source.

 

Note  The WIA minidriver is allowed to accept property configuration for the optional values but at scan time ignore requests to enable barcode detection to an inactive scan input source.
 

This property is required for all Barcode Reader items. The WIA_BARCODE_READER_DISABLED and WIA_BARCODE_READER_AUTO values are required. WIA_BARCODE_READER_DISABLED is the required default value.

The WIA_IPA_FORMAT property is also required for all Barcode Reader items.

The following table describes the required values for the WIA_IPA_FORMAT property when it is implemented on a Barcode Reader item.

ValueDefinition

WiaImgFmt_XmlBar

Barcode metadata is transferred as an XML file whose content is compliant with the WIA Barcode Metadata Schema.

WiaImgFmt_RawBar

Barcode metadata is transferred as a WIA Barcode Metadata Raw Format file.

 

Requirements

Header

Wiadef.h (include Wiadef.h)

 

 

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