超级轻量级又特别好用的串口封装。通过虚基类的方式提供数据接口，也可以通过设置窗口句柄进行数据交换，已经在工程中应用，非常简单实用。-Super lightweight package also particularly useful for the serial port. Through the virtual base class to deliver a data interface, you can also set the window handle for data exchange, has been applied in the project is very simple and practical.