DecodeDIBRect Method

Description

Reads barcode from a area specified by the parameters rectTop, rectLeft, rectWidth, rectHeight on a handle of device-independent bitmap (DIB).

Syntax

Public Sub DecodeDIBRect( _
    ByVal hDIB As Long, _
    ByVal rectLeft As Long, _
    ByVal rectTop As Long , _
    ByVal rectWidth As Long , _
    ByVal rectHeight As Long _ 
)

Parameters

hDIB

Handle of Device Independent Bitmap.

rectLeft, rectTop, rectWidth, rectHeight

The coordinates used to specify an area for barcode reading.

Remarks

It is the responsibility of the caller to free this resource (handle) when analysis is complete and the DIB is no longer needed.

See Also

ActiveX/COM > Objects > BarcodeReader > DecodeDIB
ActiveX/COM > Objects > BarcodeReader > ErrorCode
ActiveX/COM > Objects > ReaderOptions > BarcodeFormats
ActiveX/COM > Objects > ReaderOptions > MaxBarcodesNumPerPage
ActiveX/COM > Objects > BarcodeResult
ActiveX/COM > Objects > BarcodeResultArray