ISerial::RingIndicatorState

Description

Shows the current state of the Ring Indicator (RI) input signal.  The RI signal is often used by modems to indicate that the telephone line is ringing.

VB Prototype

Dim value As LineState
value = object.RingIndicatorState

C++ Prototype

HRESULT get_RingIndicatorState(
  LineState* RingIndicatorState
);

Return Value

Refer to the table of return codes.

See Also

ComponentVersion, SpecVersion, HardwareInterfaceName, HardwareInterfaceNumber, HardwareInterfaceType, LockState, OptionString, ProgID, ResourceName, SessionType, SoftwareManufacturerID, SoftwareManufacturerName, Timeout, LastStatus, BytesAvailable, BaudRate, DataBits, ClearToSendState, DataCarrierDetectState, DataSetReadyState, DataTerminalReadyState, EndIn, EndOut, FlowControl, Parity, RingIndicatorState, RequestToSendState, StopBits, ReplacementCharacter, XONCharacter, XOFFCharacter, GetAttribute, SetAttribute, LockRsrc, UnlockRsrc, Init, Close, SetBufferSize, Flush, ISerial Overview