Specifies the type of change that occurred on the System.IO.Ports.SerialPort object.
Syntax
public enum SerialPinChange
Remarks
This enumeration is used with the SerialPort.PinChanged event.
A serial port pin changes state when it is asserted or unasserted.
Members
| 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. |
Requirements
Namespace: System.IO.Ports
Assembly: System (in System.dll)
Assembly Versions: 2.0.0.0, 4.0.0.0
Since: .NET 2.0
Assembly: System (in System.dll)
Assembly Versions: 2.0.0.0, 4.0.0.0
Since: .NET 2.0