C # serial port causes the computer blue screen One possible reason

On some Win7 computers, if you read the port data using the read (byte[] buffer, int offset, int count) method of the SerialPort object, if the port accepts less than the number of bytes specified by the count, Causes the port to wait, forcing the program to close, causing the computer to blue screen.

The workaround is to check that the value of the serialport.bytestoread is up to the read request before reading the data, and do not read less than the specified number of bytes. or set ReadTimeout.

C # serial port causes the computer blue screen One possible reason