MFCreateAttributes function (mfapi.h)
Creates an empty attribute store.
Syntax
HRESULT MFCreateAttributes(
[out] IMFAttributes **ppMFAttributes,
[in] UINT32 cInitialSize
);
Parameters
[out] ppMFAttributes
Receives a pointer to the IMFAttributes interface. The caller must release the interface.
[in] cInitialSize
The initial number of elements allocated for the attribute store. The attribute store grows as needed.
Return value
If this function succeeds, it returns S_OK. Otherwise, it returns an HRESULT error code.
Remarks
Attributes are used throughout Microsoft Media Foundation to configure objects, describe media formats, query object properties, and other purposes. For more information, see Attributes in Media Foundation.
For a complete list of all the defined attribute GUIDs in Media Foundation, see Media Foundation Attributes.
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 | mfapi.h |
| Library | Mfplat.lib |
| DLL | Mfplat.dll |