Web Demos

BARCODE READER SDK DEMO

Explore the flexibe barcode reading settings to optimize for your specific usage scenario.

WEB TWAIN SDK DEMO

Try the most popular web scanner features: scan images, import local images and PDF files, edit, save to local, upload to database, and etc.

BARCODE READER JAVASCRIPT DEMO

Transform any camera-equipped devices into real-time, browser-based barcode and QR code scanners.

MRZ SCANNER WEB DEMO

Detects the machine-readable zone of a passport, scans the text, and parses into human-readable data.

APP STORE DEMOS

BARCODE READER SDK FOR IOS

BARCODE READER SDK FOR ANDROID

VIEW MORE DEMOS >
Dev Center
Table of contents

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Constructor and Destructor

Method Description
BarcodeReader Default constructor of BarcodeReader object.
Dispose Destroys an instance of Dynamsoft Barcode Reader.
GetInstance Creates an instance of Dynamsoft Barcode Reader.
Recycle Destroys an instance of Dynamsoft Barcode Reader.

BarcodeReader

BarcodeReader()

Default constructor of a BarcodeReader object.

Dynamsoft.DBR.BarcodeReader.BarcodeReader()

BarcodeReader(string productKey)

Deprecated. It still works in this version but could be removed in the near future.

Dynamsoft.DBR.BarcodeReader.BarcodeReader(string productKey)

BarcodeReader(string modulePath, string productKey)

Deprecated. It still works in this version but could be removed in the near future.

Dynamsoft.DBR.BarcodeReader.BarcodeReader(string modulePath, string productKey)

Dispose

Dispose()

Destroys an instance of Dynamsoft Barcode Reader.

void Dynamsoft.DBR.BarcodeReader.Dispose() 

GetInstance

Creates an instance of Dynamsoft Barcode Reader.

static BarcodeReader Dynamsoft.DBR.BarcodeReader.GetInstance()

Return Value
Returns an instance of Dynamsoft Barcode Reader. If failed, returns null.

Code Snippet

//Make sure InitLicense have been called somewhere before GetInstance
BarcodeReader reader = BarcodeReader.GetInstance();
// If no instance is available right away, the application will wait until one becomes available
if (reader != null)
{
    // Add your code here to call decoding method, process barcode results and so on
    // ...
    reader.Recycle();
}

Recycle

Recycles an instance of Dynamsoft Barcode Reader.

void Dynamsoft.DBR.BarcodeReader.Recycle()

Code Snippet

//Make sure InitLicense have been called somewhere before GetInstance
BarcodeReader reader = BarcodeReader.GetInstance();
// If no instance is available right away, the application will wait until one becomes available
if (reader != null)
{
    // Add your code here to call decoding method, process barcode results and so on
    // ...
    reader.Recycle();
}

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Version 7.5.0

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