To work with QD device peripherals you may need to review
WizarPOS SDK Specificatins http://sdkwiki.wizarpos.com/index.php/Main_Page
Description of SDK methods http://sdkwiki.wizarpos.com/wizarposapi/
Also please see the samples
To work with QD device peripherals you may need to review
WizarPOS SDK Specificatins http://sdkwiki.wizarpos.com/index.php/Main_Page
Description of SDK methods http://sdkwiki.wizarpos.com/wizarposapi/
Also please see the samples