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ISpStream::SetBaseStream (Windows CE 5.0)

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This method initializes the ISpStream object with an IStream object to encapsulate, and the format of the IStream object.

HRESULT SetBaseStream(IStream* pStream,REFGUID rguidFormat,const WAVEFORMATEX* pWaveFormatEx);

Parameters

  • pStream
    [in] Pointer to an IStream object containing the base stream data.
  • rguidFormat
    [in] Data format identifier associated with the stream.
  • pWaveFormatEx
    [in] Pointer to the WAVEFORMATEX structure that contains the wave file format information. If rguidFormat has a value of SPDFID_WaveFormatEx, this parameter must point to a valid WAVEFORMATEX structure. For other formats, the parameter should be NULL.

Return Values

The following table shows the possible return values.

Value Description
S_OK Function completed successfully.
E_INVALIDARG One or more arguments are invalid.
SPERR_ALREADY_INITIALIZED The object has already been initialized.
FAILED(hr) Appropriate error message.

Remarks

The helper class CSpStreamFormat and the SPSTREAMFORMAT enumeration can be used to avoid the possibility of typos or mistakes when filling in the WAVEFORMATEX structure.

Requirements

OS Versions: Windows CE .NET 4.1 and later.
Header: Sapi.h, Sapi.idl.
Link Library: Sapilib.lib.

See Also

ISpStream | SAPI Interfaces

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