IltmmTargetDevices::get_Selection

#include "ltmm.h"

C Syntax	HRESULT IltmmTargetDevices_get_Selection(pTargetDevices, pVal)
C++ Syntax	HRESULT get_Selection(pVal)

IltmmTargetDevices *pTargetDevices;	/* pointer to an interface */
long *pVal;	/* index */

Retrieves the index of the currently selected device.

Parameter	Description
pTargetDevices	Pointer to an IltmmTargetDevices interface.
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

S_OK	The function was successful.
<> S_OK	An error occurred. Refer to the Error Codes or the HRESULT error codes in the DirectShow documentation.

Comments

This function will return the index of the device that is currently being used by the collection’s parent object.

Required DLLs and Libraries

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

Elements:	IltmmTargetDevices::get_Count, IltmmTargetDevices::Item, IltmmTargetDevices::put_Selection
Topics:	Multimedia Function Group

Example