vb的打印，调用打印函数，先测试打印机向串口发数据，将字符串转为十六进制表示的字符串，从接收缓冲区读取数据，关闭串口事件响应-vb print, call the print function, send the first test the printer to the serial data string to hexadecimal string from the receive buffer read data off the serial port incident response

VB写的斑马机条码打印程序源代码,附带ZPL指令说明文档。-VB wrote Zebra bar code printing machine source code, documentation with ZPL commands.

利用VB调试斑马打印机LTP/COM口程序，包括图片及条码的打印。调用灵活，通用性强。-Using VB debugging Zebra printer LTP/COM port program, including pictures and barcode printing. Call flexible, versatile.