#include "ltmm.h"

C Syntax

HRESULT IltmmCapture_IsModeAvailable(pCapture, Mode, pAvailable)

C++ Syntax

HRESULT IsModeAvailable(Mode, pAvailable)

IltmmCapture *pCapture;

pointer to an interface

long Mode;

mode value

VARIANT_BOOL *pAvailable;


Queries whether the specified capture mode is available.

Parameter Description
pCapture Pointer to an IltmmCapture interface.
Mode Value that specifies which capture mode's availablity is being queried. Must be one of the ltmmCapture_Mode Constants.
pAvailable Pointer to a variable that determines whether the specified capture mode is available. Possible values are:
  Value Meaning
  VARIANT_TRUE Specified capture mode is available.
  VARIANT_FALSE Specified capture mode is unavailable.



The function was successful.

<> S_OK

An error occurred. Refer to the Error Codes or the HRESULT error codes in the DirectShow documentation.


This function is useful for determining whether all the components, necessary for a particular capture mode, have been initialized.

Required DLLs and Libraries


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

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