IMFMetadata::GetAllPropertyNames method

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

Syntax


HRESULT GetAllPropertyNames(
  [out] PROPVARIANT *ppvNames
);

ppvNames [out]: 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.

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

Minimum supported client	Windows Vista [desktop apps \| Windows Store apps]
Minimum supported server	Windows Server 2008 [desktop apps \| Windows Store apps]
Header	Mfidl.h
Library	Mfuuid.lib