System 2.0.0.0 4.0.0.0 System.Enum This enumeration can be useful when handling the event to detect and respond to errors when communicating data through a . You examine the type of error by retrieving the property of the class. The property contains one of the values from the enumeration. Specifies errors that occur on the object. Field 2.0.0.0 4.0.0.0 System.IO.Ports.SerialError The hardware detected a framing error. Field 2.0.0.0 4.0.0.0 System.IO.Ports.SerialError A character-buffer overrun has occurred. The next character is lost. Field 2.0.0.0 4.0.0.0 System.IO.Ports.SerialError An input buffer overflow has occurred. There is either no room in the input buffer, or a character was received after the end-of-file (EOF) character. Field 2.0.0.0 4.0.0.0 System.IO.Ports.SerialError The hardware detected a parity error. Field 2.0.0.0 4.0.0.0 System.IO.Ports.SerialError The application tried to transmit a character, but the output buffer was full.