Ibarcodereadercontrol::setattribute - Intermec 700 Series 700 User Manual

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Chapter 6 Scanner Support
172

IBarCodeReaderControl::SetAttribute

This function enables and disables the laser scanner, sets the bar code read-
er engine specific grid, and enables or disables the reader engine LED con-
trol.
Syntax
HRESULT IBarCodeReaderControl::SetAttribute (
ITC_BARCODEREADER_ATTRIBUTE_ID eAttr, BYTE
rgbAttrBuffer[], DWORD dwAttrBufferSize );
Parameters
eAttr [in] Identifies the attribute to set. Only one attribute can be set
at a time. The attributes are:
S ITC_RDRATTR_SCANNER_ENABLE
Enable or disable scanner for all connections.
S ITC_RDRATTR_GOOD_READ_LED_ENABLE
Enables and disables the reader engine from controlling
the good read LED.
S ITC_RDRATTR_TONE_ENABLE
Enables and disables the reader engine from issuing
beeps.
S ITC_RDRATTR_VOLUME_LEVEL
Sets beep volume level.
S ITC_RDRATTR_TONE_FREQUENCY
Sets beep frequency.
S ITC_RDRATTR_GOOD_READ_BEEPS_NUMBER
Sets number of beeps for a good read.
S ITC_RDRATTR_GOOD_READ_BEEP_DURATION
Sets duration of beeps for a good read.
S ITC_DHATTR_READFILTER
The ITC_READFILTER is the rgbData Data Structure.
The ITC_READFILTER structure is defined in
IADCDEVICE.H as follows:
typedef struct
{
#define ITC_MAXFILTER_CHARS 240
WORD nFilterChars;
TCHAR szFilter[ITC_MAXFILTER_CHARS];
} ITC_READFILTER;
where:
S nFilterChars Number of characters in pszDataMask.
S szFilter
S ITC_MAXFILTER
Maximum number of characters in a filter specification.
Includes NULL termination.
700 Series Monochrome Mobile Computer User's Manual
Data mask specification. See "Grid Data
Filtering."