IAMTuner::SignalPresent (Windows CE 5.0)

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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 Values

Returns an HRESULT value.

Requirements

OS Versions: Windows CE 5.0 Networked Media Device Feature Pack.
Header: strmif.h.

See Also

IAMTunerInterface

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