SerialPinChange Enum
Definition
Important
Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.
Specifies the type of change that occurred on the SerialPort object.
public enum class SerialPinChangepublic enum SerialPinChangetype SerialPinChange = Public Enum SerialPinChange- Inheritance
Fields
| Name | Value | Description |
|---|---|---|
| CtsChanged | 8 | The Clear to Send (CTS) signal changed state. This signal is used to indicate whether data can be sent over the serial port. |
| DsrChanged | 16 | 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. |
| CDChanged | 32 | 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. |
| Break | 64 | A break was detected on input. |
| Ring | 256 | A ring indicator was detected. |
Remarks
This enumeration is used with the PinChanged event.
A serial port pin changes state when it is asserted or unasserted.
