SerialPinChange Enumeration

.NET Framework (current version)

Specifies the type of change that occurred on the SerialPort object.

Namespace: System.IO.Ports
Assembly: System (in System.dll)

Syntax

public enum class SerialPinChange

	Member name	Description
	Break	A break was detected on input.
	CDChanged	The Carrier Detect (CD) signal changed state. This signal is used to indicate whether a modem is connected to a working phone line and a data carrier signal is detected.
	CtsChanged	The Clear to Send (CTS) signal changed state. This signal is used to indicate whether data can be sent over the serial port.
	DsrChanged	The Data Set Ready (DSR) signal changed state. This signal is used to indicate whether the device on the serial port is ready to operate.
	Ring	A ring indicator was detected.

This enumeration is used with the PinChanged event.

A serial port pin changes state when it is asserted or unasserted.

.NET Framework
Available since 2.0