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SerialPort::CtsHolding Property
.NET Framework (current version)
Gets the state of the Clear-to-Send line.
Assembly: System (in System.dll)
| Exception | Condition |
|---|---|
| IOException | The port is in an invalid state. - or - An attempt to set the state of the underlying port failed. For example, the parameters passed from this SerialPort object were invalid. |
| InvalidOperationException |
The Clear-to-Send (CTS) line is used in Request to Send/Clear to Send (RTS/CTS) hardware handshaking. The CTS line is queried by a port before data is sent.
.NET Framework
Available since 2.0
Available since 2.0
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