IltmmCapture::IsModeAvailable

Summary

Queries whether the specified capture mode is available.

Syntax

#include "ltmm.h"

Language Syntax
C HRESULT IltmmCapture_IsModeAvailable(pCapture, Mode, pAvailable)
C++ HRESULT IsModeAvailable(Mode, pAvailable)

Parameters

IltmmCapture *pCapture

Pointer to an IltmmCapture interface.

long Mode

Value that specifies which capture mode's availability is being queried. Must be one of the ltmmCapture_Mode constants.

VARIANT_BOOL *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.

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 DirectShow documentation.

Comments

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

Required DLLs and Libraries

Platforms

Win32, x64.

See Also

Functions

Topics

Example

Language Example
C Advanced Capture Application
C++ Advanced Capture Application
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© 1991-2023 LEAD Technologies, Inc. All Rights Reserved.