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IltmfPlay::GetSubObject

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#include "ltmf.h"

C Syntax

HRESULT IltmfPlay_getSubObject(pPlay, ObjType, ppObject)

C++ Syntax

HRESULT GetSubObject(ObjType, ppObject)

 

IltmfPlay *pPlay;

/* pointer to an interface */

long ObjType;

/* object to retrieve */

IUnknown **ppObject;

/* pointer to a pointer */

Retrieves the specified graph object.

Parameter

Description

pPlay

Pointer to an IltmfPlay interface.

ObjType

Value that indicates the graph object to retrieve. This must be one of the ltmfPlay_Object constants.

ppObject

Pointer to a variable that receives a the object's interface pointer.

Returns

S_OK

The function was successful.

<> S_OK

An error occurred. Refer to the Error Codes or the HRESULT error codes in the MediaFoundation documentation.

Comments

If the function succeeds, the user should release the returned interface pointer by calling the interfaces Release method.

Required DLLs and Libraries

LTMF

For a listing of the exact DLLs and Libraries needed, based on the toolkit version, refer to Files To Be Included With Your Application.

Platforms

Win32, x64

See Also

Elements:

IltmfPlay_Object Constants

Topics:

Media Foundation Function Group

Example

For an example, refer to Directly Accessing the Media Foundation Objects.

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