BarcodeReader

Namespace: Wisej.Web.Ext.Barcode

Assembly: Wisej.Web.Ext.Barcode

• Component
  • Component
    • BarcodeReader

A component for extending the functionality of the Wisej Camera to include barcode detection.

C#

public class BarcodeReader : Component, IExtenderProvider

VB.NET

Public Class BarcodeReader
    Inherits Component
    Implements IExtenderProvider

Constructors

BarcodeReader()

Initializes a new instance of the BarcodeReader without a specified container.

BarcodeReader(container)

Initializes a new instance of the BarcodeReader class with a specified container.

Name	Type	Description
container	IContainer	An IContainercontainer.

Properties

Camera

Control: The Wisej Camera instance to attach to.

ScanMode

ScanMode: Returns or sets the mode in which the scanner should detect barcodes. (Default: Automatic)

Methods

CanExtend(extendee)

Parameter	Type	Description
extendee	Object

Returns: Boolean.

DecodeBarcode(image)

Decodes a barcode from the given image.

Parameter	Type	Description
image	Image	The image of the barcode.

Returns: String. The data encoded in the barcode.

Uses the ZXing.NET library to parse the image.

ResetScanner()

Resets the scanner in AutomaticOnce mode.

ScanImage()

Scans the last frame from the attached Camera for a barcode.

Either the ScanError

Events

ScanError

ScanEventHandler Fired when no barcode is detected in Manual mode.

ScanSuccess

ScanEventHandler Fired when the user scans a barcode.