IltmmCaptureSubTypes::Item
#include "ltmm.h"
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C Syntax |
HRESULT IltmmCaptureSubTypes_Item(pCaptureSubTypes, Index, SubType) |
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C++ Syntax |
HRESULT Item(Index, SubType) |
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IltmmCaptureSubTypes *pCaptureSubTypes; |
/*pointer to an interface */ |
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long Index; |
/* index */ |
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IltmmCaptureSubType **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 IltmmCaptureSubTypes 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 DirectShow documentation. |
Comments
This function will fail if the index is out or range. To find out the number of subtypes, call IltmmCaptureSubTypes::get_Count.
If the function succeeds, the user should release the interface pointer by calling the interface’s Release method.
Required DLLs and Libraries
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LTMM 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: |
IltmmCaptureSubTypes::put_Selection, IltmmCaptureSubTypes::get_Count, IltmmCaptureSubTypes::Find, IltmmCaptureSubTypes::get_Selection |
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Topics: |
Example
For a C example, refer to the IltmmCaptureSubTypes::get_Count Example for C.
For a C++ example, refer to the IltmmCaptureSubTypes::get_Count Example for C++.