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SerialPort _Serial = new SerialPort { PortName = "COM1", BaudRate = 9600, DataBits = 8, Parity = Parity.None, StopBits = StopBits.One, WriteTimeout = SerialPort.InfiniteTimeout, ReadTimeout = SerialPort.InfiniteTimeout, Handshake = Handshake.None, ReadBufferSize = 1024 };
原文：https://www.cnblogs.com/wangyinlon/p/11576222.html