References ▼
Include
#include "ltmf.h"
Syntax
| C Syntax | HRESULT IltmfConvert_getSubObject(pConvert, ObjType, ppObject) |
| C++ Syntax | HRESULT GetSubObject(ObjType, ppObject) |
| IltmfConvert *pConvert; | /* pointer to an interface */ |
| long ObjType; | /* object to retrieve */ |
| IUnknown **ppObject; | /* pointer to a pointer */ |
Summary
Retrieves the specified graph object.
Parameters
| Parameter | Description |
|---|---|
| pConvert | Pointer to an IltmfConvert interface. |
| ObjType | Value that indicates the graph object to retrieve. This must be one of the ltmfConvert_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. |
Remarks
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.
Win32, x64
| Elements: | IltmfConvert_Object Constants |
| Topics: | Media Foundation Function Group |
Example
For an example, refer to Directly Accessing the Media Foundation Objects.
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