IltmmTargetDevices::get_Count

#include "ltmm.h"

C Syntax

HRESULT IltmmTargetDevices__get_Count(pTargetDevices, pVal)

C++ Syntax

HRESULT get_Count(pVal)

 

IltmmTargetDevices *pTargetDevices;

/* pointer to an interface */

long *pVal;

/* number of devices */

Retrieves the total number of devices.

Parameter

Description

pTargetDevices

Pointer to an IltmmTargetDevices interface.

pVal

Pointer to a variable that receives the device count.

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.

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.

Platforms

Win32, x64

See Also

Elements:

IltmmTargetDevices::Item, IltmmTargetDevices::Refresh

Topics:

Multimedia Function Group

Example

For a C example, refer to Selecting ltmmCapture Object Target Devices for C and Selecting ltmmConvert Object Target Devices for C.

For a C++ example, refer to Selecting ltmmCapture Object Target Devices for C++ and Selecting ltmmConvert Object Target Devices for C++.