Specifications

BHT_ReadBar

Description

Read out data read from the barcode buffer.

If the string length longer than that of the read barcode is specified to dwBarLen, the remaining area

following the read barcode will be filled with NULL codes.

If barcode reading is not enabled, an error (ERROR_INVALID_HANDLE) will result.

Syntax:

DWORD BHT_ReadBar (

TCHAR* pwchBuffer ,

DWORD dwBarLen ,

DWORD* pdwActualBarLen )

Parameters

pwchBuffer

[out] Heading address of the storage buffer storing the read data

dwBarLen

[in] Maximum length of data to be read

pdwActualBarLen

[out] Length of data read

Return value

Error code Meaning

ERROR_SUCCESS Successful completion

ERROR_INVALID_HANDLE Barcode device file not opened.

ERROR_INVALID_PARAMETER No storage address specified.