Assembly: System (in system.dll)
|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.
Windows 98, Windows 2000 SP4, Windows CE, Windows Millennium Edition, Windows Mobile for Pocket PC, Windows Mobile for Smartphone, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see System Requirements.