IMFMetadata::GetAllPropertyNames method (mfidl.h)
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 |