最近在公司让用C#写一个串口调试的工具，要求向串口中输入16进制数据或字符串。下面我将这次遇到的问题和解决方法奉献出来，希望对工作中需要的朋友有所帮助！(Recently in the company let C# write a serial debugging tool, required to enter the serial port 16 data or string. I will dedicate the following problems and solutions to help the friends you need in the work.)