IAMTuner::SignalPresent (Windows Embedded CE 6.0)

1/6/2010

The SignalPresent method retrieves the strength of the signal on a given channel.

Syntax

HRESULT SignalPresent(
  long* plSignalStrength
);

Parameters

  • plSignalStrength
    [out] Pointer to a variable that receives a value indicating whether a signal is present on the current channel. Can be one of the following values.

    Value Description

    AMTUNER_HASNOSIGNALSTRENGTH

    -1

    AMTUNER_NOSIGNAL

    0

    S_OK

    1

    A value of AMTUNER_HASNOSIGNALSTRENGTH means the signal strength cannot be determined at this time.

Return Value

Returns an HRESULT value.

Requirements

Header strmif.h
Windows Embedded CE Windows CE 5.0 Networked Media Device Feature Pack and later

See Also

Reference

IAMTuner Interface