IltmmCapture::IsModeAvailable
#include "ltmm.h"
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C Syntax |
HRESULT IltmmCapture_IsModeAvailable(pCapture, Mode, pAvailable) |
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C++ Syntax |
HRESULT IsModeAvailable(Mode, pAvailable) |
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IltmmCapture *pCapture; |
/* pointer to an interface */ |
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long Mode; |
/* mode value */ |
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VARIANT_BOOL pAvailable; |
/* flag */ |
Queries whether the specified capture mode is available.
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Parameter |
Description |
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pCapture |
Pointer to an IltmmCapture interface. |
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Mode |
Value that specifies which capture mode's availablity is being queried. Must be one of the ltmmCapture_Mode Constants. |
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pAvailable |
Pointer to a variable that determines whether the specified capture mode is available. Possible values are: |
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Value |
Meaning |
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VARIANT_TRUE |
Specified capture mode is available. |
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VARIANT_FALSE |
Specified capture mode is unavailable. |
Returns
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S_OK |
The function was successful. |
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<> 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
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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. |
See Also
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Elements: |
IltmmCapture::ReadyCapture, IltmmCapture::StartCapture, ltmmCapture_Mode Constants |
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Topics: |
Example
For a C example, refer to Advanced Capture Application for C.
For a C++ example, refer to Advanced Capture Application for C++.