TQ_print控件,是一个为方便需要控制打印命令而设计的跨平台专用控件,已包含标准ESC/POS打印控制的基本指令在内,这些指令已能很好的满足多数项目使用,还增加了条码,二维码与图片打印的功能.(TQ_print control is a cross-platform special control designed for the convenience of controlling printing commands. It contains the basic instructions