教你如何制作PDF417、QRCode二维条码,如何进行图像压缩，提供免费的DLL,有打印复制设置样本，是你制作与应用二维条码的必备案例-show you how to make pdf417,ORCode 2d bar code,how to compress image,provid free dll, it has print and copy setting sample,it is necessary for you to make and apply 2d bar code.

二维条码编码和解码技术的研究与应用对大部分初学者都是很用的。。。谢谢大家 ！！1 - Two-dimensional bar code encoding and decoding technology research and application of most beginners are very useful. . . Thank you! ! 1