IltmfCaptureSubTypes::Item

Summary

Retrieves the subtype at the specified index.

Syntax

#include "ltmf.h"

Platform Syntax
C HRESULT IltmfCaptureSubTypes_Item(pCaptureSubTypes, Index, result)
C++ HRESULT Item(Index, result)

Parameters

IltmfCaptureSubTypes *pCaptureSubTypes

Pointer to an IltmfCaptureSubTypes interface.

long Index

Index of the subtype to retrieve. This is a zero-based index.

IltmfCaptureSubType **result

Pointer to a variable that receives the interface pointer for the subtype at the specified index.

Returns

Value Meaning
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

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 function.

Required DLLs and Libraries

Platforms

Win32, x64.

See Also

Functions

Topics

Example

For a C++ example, refer to the IltmfCaptureSubTypes::get_Count Example for C++.

Help Version 22.0.2022.6.24
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© 1991-2022 LEAD Technologies, Inc. All Rights Reserved.