References ▼
#include "ltmf.h"
C Syntax |
HRESULT IltmfDevices_get_Selection(pDevices, pVal) |
C++ Syntax |
HRESULT get_Selection(pVal) |
IltmfDevices *pDevices; |
pointer to an interface |
long *pVal; |
index |
Retrieves the index of the currently selected device.
Parameter |
Description |
pDevices |
Pointer to an IltmfDevices interface. |
pVal |
Pointer to a variable that receives the zero based index of the currentlt selected device. A value of 1 indicates that no device is currently selected. |
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. |
This function will return the index of the device that is currently being used by the collections parent object.
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: |
IltmfDevices::get_Count, IltmfDevices::Item, IltmfDevices::put_Selection |
Topics: |
For an example, refer to Selecting ltmfCapture Object Devices for C++.
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