SerialPinChange Enumeration

SerialPinChange Enumeration

 

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

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

public enum SerialPinChange

Member nameDescription
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
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