LEADTOOLS Media Foundation Help
| LEADTOOLS Media Foundation Help > LEADTOOLS Media Foundation Features > Media Foundation Function References > IltmfCaptureSubTypes Interface > IltmfCaptureSubTypes::Item |
#include "ltmf.h"
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C Syntax |
HRESULT IltmfCaptureSubTypes_Item(pCaptureSubTypes, Index, SubType) |
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C++ Syntax |
HRESULT Item(Index, SubType) |
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IltmfCaptureSubTypes *pCaptureSubTypes; |
/*pointer to an interface */ |
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long Index; |
/* index */ |
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IltmfCaptureSubType **SubType; |
/*pointer to a pointer */ |
Retrieves the subtype at the specified index.
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Parameter |
Description |
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pCaptureSubTypes |
Pointer to an IltmfCaptureSubTypes interface. |
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Index |
Index of the subtype to retrieve. This is a zero-based index. |
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SubType |
Pointer to a variable that receives the interface pointer for the subtype at the specified index. |
Returns
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S_OK |
The function was successful. |
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<> S_OK |
An error occurred. Refer to the Error Codes or the HRESULT error codes in the MediaFoundation documentation. |
Comments
This function will fail if the index is out or range. To find out the number of subtypes, call IltmfCaptureSubTypes::get_Count.
If the function succeeds, the user should release the interface pointer by calling the interfaces Release method.
Required DLLs and Libraries
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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
See Also
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Elements: |
IltmfCaptureSubTypes::put_Selection, IltmfCaptureSubTypes::get_Count, IltmfCaptureSubTypes::Find, IltmfCaptureSubTypes::get_Selection |
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Topics: |
Example
For a C++ example, refer to the IltmfCaptureSubTypes::get_Count Example for C++.
