IltmfDevices::get_Selection

Summary

Retrieves the index of the currently selected device.

Syntax

#include "ltmf.h"

Language Syntax
C HRESULT IltmfDevices_get_Selection(pDevices, pVal)
C++ HRESULT get_Selection(pVal)

Parameters

IltmfDevices *pDevices

Pointer to an IltmfDevices interface.

long *pVal

Pointer to a variable that receives the zero based index of the currently selected device. A value of 1 indicates that no device is currently selected.

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 return the index of the device that is currently being used by the collections parent object.

Required DLLs and Libraries

Platforms

Win32, x64.

See Also

Functions

Topics

Example

For an example, refer to Selecting ltmfCapture Object Devices for C++.

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© 1991-2023 LEAD Technologies, Inc. All Rights Reserved.