公安特种行业磁卡信息管理系统。通过磁卡机的dll文件的函数调用，来记录信息。-Special trade card information security management system. Dll file through the card machine in the function call, to record information.

DELPHI调用斑马证卡机P330i的SDK例子； 其中包括：打印文本、图像、条码以及对磁卡读写功能；比较实用！-DELPHI call zebra card machine P330i SDK examples Including: print text, images, bar codes, magnetic read and write capabilities more practical!