Edit

WIA_BARCODES structure (wiadef.h)

  • Article

The WIA_BARCODES structure stores header information for the barcode metadata report of one scan job (one call to IWiaMiniDrv::drvAcquireItemData).

Syntax

typedef struct _WIA_BARCODES {
  DWORD            Tag;
  DWORD            Version;
  DWORD            Size;
  DWORD            Count;
  WIA_BARCODE_INFO Barcodes[1];
} WIA_BARCODES;

Members

Tag

Must be the literal 'WBAR', 4 single byte ASCII characters.

Version

Must be the value 0x00010000 (Version 1.0).

Size

The complete size of this WIA_BARCODES header structure, in bytes, including the complete size of the WIA_BARCODE_INFO list.

Count

Specifies the number of WIA_BARCODE_INFO elements in the Barcodes sequence.

Barcodes[1]

Placeholder for a sequence of Count contiguous WIA_BARCODE_INFO structures.

Remarks

The header must be followed by a sequence of barcode information structures, one for each decoded barcode, in the order the barcodes were found and decoded.

Requirements

Requirement Value
Header wiadef.h (include Wiadef.h)