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IMFMetadata::GetAllPropertyNames method (mfidl.h)

  • Article

Gets a list of all the metadata property names on this object.

Syntax

HRESULT GetAllPropertyNames(
  [out] PROPVARIANT *ppvNames
);

Parameters

[out] ppvNames

Pointer to a PROPVARIANT that receives an array of null-terminated wide-character strings. If no properties are available, the PROPVARIANT type is VT_EMPTY. Otherwise, the PROPVARIANT type is VT_VECTOR | VT_LPWSTR. The caller must free the PROPVARIANT by calling PropVariantClear.

Return value

If this method succeeds, it returns S_OK. Otherwise, it returns an HRESULT error code.

Requirements

Requirement Value
Minimum supported client Windows Vista [desktop apps | UWP apps]
Minimum supported server Windows Server 2008 [desktop apps | UWP apps]
Target Platform Windows
Header mfidl.h
Library Mfuuid.lib

See also

IMFMetadata

Media Metadata