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IMSVidAnalogTuner::ChannelAvailable method (segment.h)

[The feature associated with this page, Microsoft TV Technologies, is a legacy feature. Microsoft strongly recommends that new code does not use this feature.]

The ChannelAvailable method queries whether a specified channel is available for viewing.

This method is currently not supported.

Syntax

HRESULT ChannelAvailable(
  [in]      long         nChannel,
  [in, out] long         *SignalStrength,
  [out]     VARIANT_BOOL *fSignalPresent
);

Parameters

[in] nChannel

Integer containing the channel.

[in, out] SignalStrength

Pointer to a long value that specifies the signal strength.

[out] fSignalPresent

Receives a VARIANT_BOOL that indicates whether a signal is present.

Return value

If the method succeeds, it returns S_OK. If it fails, it returns an error code.

Requirements

Requirement Value
Minimum supported client Windows�XP [desktop apps only]
Minimum supported server None supported
Target Platform Windows
Header segment.h (include Msvidctl.h)

See also

IAMTuner::SignalPresent

IMSVidAnalogTuner Interface