qr_code，生成二维码，有打印功能。-vb qr_code,source code,include print

实现了QR二维码的生成、显示、保存功能，能实现对数字、英文字母、数字和字母、日文及部分中文的支持。-Implements the QR QR code generation, display, preservation function, can realize the Numbers, letters, Numbers and letters, Japanese and some Chinese support.

VS2010下MFC实现将字符串转换为二维码并连接标签打印机进行打印-VS2010 MFC implementation under converts a string to a qr code and connect the label printer for printing