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IAttributeGet::GetAttrib

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Microsoft DirectShow 9.0

IAttributeGet::GetAttrib

This topic applies to Update Rollup 2 for Microsoft Windows XP Media Center Edition 2005 and later.

The GetAttrib method returns an attribute value, specified by GUID.

Syntax

  HRESULT GetAttrib(
  GUID  guidAttribute,
  BYTE*  pbAttribute,
  DWORD*  pdwAttributeLength
);

Parameters

guidAttribute

[in]  GUID that specifies the attribute to retrieve.

pbAttribute

[in, out]  Pointer to a buffer that receives the attribute value. This parameter can be NULL.

pdwAttributeLength

[in, out]  If pbAttribute is NULL, this parameter receives the size of the attribute data, in bytes. If pbAttribute is non-NULL, this parameter specifies the size of the pbAttribute buffer, in bytes.

Return Values

The method returns an HRESULT. Possible values include, but are not limited to, those in the following table.

Return code Description
E_POINTER NULL pointer value.
NS_E_UNSUPPORTED_PROPERTY The specified GUID does not match any attribute on this object.
S_OK The method succeeded.

Requirements

Header: Include dsattrib.h.

See Also