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MFGetService function (mfidl.h)

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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
S_OK
 The method succeeded.
MF_E_UNSUPPORTED_SERVICE
 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

See also

IMFGetService

Media Foundation Functions

Service Interfaces