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 >
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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 Gets an idle Dynamsoft Barcode Reader instance running on concurrent instance mode.
Recycle Recycles a Dynamsoft Barcode Reader instance running on concurrent instance mode.

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

Gets an idle Dynamsoft Barcode Reader instance running on concurrent instance mode.

static BarcodeReader Dynamsoft.DBR.BarcodeReader.GetInstance()

Return Value
Returns an idle Dynamsoft Barcode Reader instance running on concurrent instance mode. 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
    // ...
    // Recycle the instance to make it idle for other concurrent tasks
    reader.Recycle();
}

Recycle

Recycles a Dynamsoft Barcode Reader instance running on concurrent instance mode.

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
    // ...
    // Recycle the instance to make it idle for other concurrent tasks
    reader.Recycle();
}

This page is compatible for:

Version 7.5.0

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