MFGetService function (mfidl.h)
Queries an object for a specified service interface.
This function is a helper function that wraps the IMFGetService::GetService method. The function queries the object for the IMFGetService interface and, if successful, calls GetService on the object.
Syntax
HRESULT MFGetService(
IUnknown *punkObject,
REFGUID guidService,
REFIID riid,
LPVOID *ppvObject
);
Parameters
punkObject
A pointer to the IUnknown interface of the object to query.
guidService
The service identifier (SID) of the service. For a list of service identifiers, see Service Interfaces.
riid
The interface identifier (IID) of the interface being requested.
ppvObject
Receives the interface pointer. The caller must release the interface.
Return value
The function returns an HRESULT. Possible values include, but are not limited to, those in the following table.
| Return code | Description |
|---|---|
|
The method succeeded. |
|
The service requested cannot be found in the object represented by punkObject. |
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 | Mf.lib |
| DLL | Mf.dll |