MFGetAttributesAsBlobSize function (mfapi.h)
Retrieves the size of the buffer needed for the MFGetAttributesAsBlob function.
Syntax
HRESULT MFGetAttributesAsBlobSize(
[in] IMFAttributes *pAttributes,
[out] UINT32 *pcbBufSize
);
Parameters
[in] pAttributes
Pointer to the IMFAttributes interface of the attribute store.
[out] pcbBufSize
Receives the required size of the array, in bytes.
Return value
The function returns an HRESULT. Possible values include, but are not limited to, those in the following table.
| Return code | Description |
|---|---|
|
The function succeeded. |
Remarks
Use this function to find the size of the array that is needed for the MFGetAttributesAsBlob function.
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 |