Table of contents
Swift
Objective-C

This documentation is deprecated. It applies only to legacy version 9.x of Barcode Reader and must not be used for new development.

Please refer to the latest documentation and Migration Guide, which supersede this content.

Constructor and Destructor

Method Description
CBarcodeReader Default constructor of CBarcodeReader object.
~CBarcodeReader Destructor of CBarcodeReader object.
GetInstance Creates an instance of Dynamsoft Barcode Reader.
Recycle Destroys an instance of Dynamsoft Barcode Reader.

CBarcodeReader

Default constructor of a CBarcodeReader object.

dynamsoft::dbr::CBarcodeReader::CBarcodeReader()

~CBarcodeReader

Destructor of a CBarcodeReader object.

dynamsoft::dbr::CBarcodeReader::~CBarcodeReader()

GetInstance

Creates an instance of Dynamsoft Barcode Reader.

static CBarcodeReader* dynamsoft::dbr::CBarcodeReader::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
CBarcodeReader* dbr = CBarcodeReader::GetInstance();
// If no instance is available right away, the application will wait until one becomes available
if(dbr != NULL)
{
    // Add your code here to call decoding method, process barcode results and so on
    // ...
    dbr->Recycle();
}

Recycle

Recycles an instance of Dynamsoft Barcode Reader.

void dynamsoft::dbr::CBarcodeReader::Recycle()

Code Snippet

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

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