报错方法与委托不匹配？怎么回事？

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报错方法与委托不匹配？怎么回事？ [复制链接]

peripheralPort.SerialPort bbport = new peripheralPort.SerialPort();

Thread read485port=new Thread(new ThreadStart(bbport.ReadPort));
                         read485port.Start();

public override bool ReadPort(int NumBytes, ref byte[] commRead)

程序运行时为什么报错????

方法“peripheralPort.peripheralPort.ReadPort(int, ref byte[])”与委托“void System.Threading.ThreadStart()”不匹配