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IMDSPStorage::SetAttributes

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The SetAttributes method sets the attributes of a storage object.

Syntax

HRESULT SetAttributes(DWORDdwAttributes,_WAVEFORMATEX*pFormat);

Parameters

dwAttributes

[in]  DWORD containing the attributes to be set as defined in the IWMDMStorage::SetAttributes method.

pFormat

[in]  Pointer to a _WAVEFORMATEX structure that contains attribute information about the object. This parameter is optional and is ignored if the file is not audio.

Return Values

The method returns an HRESULT. All the interface methods in Windows Media Device Manager can return any of the following classes of error codes:

  • Standard COM error codes
  • Windows error codes converted to HRESULT values
  • Windows Media Device Manager error codes

For an extenstive list of possible error codes, see Error Codes.

Possible values include, but are not limited to, those in the following table.

Return code Description
S_OK The method succeeded.
E_INVALIDARG A parameter is invalid or is a NULL pointer.
E_FAIL An error occurred.

Remarks

Many of the attributes returned by GetAttributes (as listed in attribute table for IWMDMStorage::GetAttributes) cannot be set, so they are not listed in the attribute table for IWMDMStorage::SetAttributes.

This method is optional. For more information, see Mandatory and Optional Interfaces.

Requirements

Header: Defined in mswmdm.h.

Library: mssachlp.lib

See Also