title: How to get version of qrcode by Zxing Library
body: <p>QRCode have many different version (Version 1 (21×21), Version 2 (25×25), ... etc).</p>
  
  <p>I use zxing library to decode qrcode with different versions, and it works fine!</p>
  
  <p>But I don't know how to get the version of qrcode by zxing library in Language (C++)</p>
  
  <p>PS: I tried class <em>BitMatrixParser</em> to acieve it, but get Error Msg. "<strong>Could not decode format information</strong>", and don't know what happend?</p>