IAudioMeterInformation::GetMeteringChannelCount method

The GetMeteringChannelCount method gets the number of channels in the audio stream that are monitored by peak meters.

Syntax


HRESULT GetMeteringChannelCount(
  [out]  UINT *pnChannelCount
);

Parameters

pnChannelCount [out]

Pointer to a UINT variable into which the method writes the number of channels.

Return value

If the method succeeds, it returns S_OK. If it fails, possible return codes include, but are not limited to, the values shown in the following table.

Return codeDescription
E_POINTER

Parameter pnChannelCount is NULL.

 

Requirements

Minimum supported client

Windows Vista [desktop apps | Windows Store apps]

Minimum supported server

Windows Server 2008 [desktop apps | Windows Store apps]

Header

Endpointvolume.h

See also

IAudioMeterInformation Interface

 

 

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