在电脑上自动生成一个虚拟的Com口，编程简单，学习方便，易于修改，大家都来下载，-The computer automatically generates a virtual Com port, programming simple and easy to learn, easy to modify, we have come to download,

最近接了一个任务，要求接收一个指令然后就打印一个标签。 刚接触COM通信，写了一个小的测试程序配合虚拟串口使用。比较简单，基础级的 -Recently received a task, ask to receive a command and then print a label. New to COM communication, wrote a small test program with a virtual serial port to use. Relatively simp

MSComm控件的初级使用。使用MSComm控件实现电脑的两个串口间的通信，可以下载个虚拟串口软件进行测试。-The primary use of the MSComm control. MSComm control the communication between two serial ports of the computer, you can download a virtual serial port software to test.