IltmmCaptureInputs::get_Selection
#include "ltmm.h"
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C Syntax |
HRESULT IltmmCaptureInputs__get_Selection(pCaptureInputs, pVal) |
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C++ Syntax |
HRESULT get_Selection(pVal) |
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IltmmCaptureInputs *pCaptureInputs; |
/* pointer to an interface */ |
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long *pVal; |
/* pointer to a variable */ |
Retrieves the index of the currently selected input.
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Parameter |
Description |
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pCaptureInputs |
Pointer to an IltmmCaptureInputs interface. |
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pVal |
Pointer to a variable that receives the zero based index of the currently selected input. A value of –1 indicates that no input is currently selected. |
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 will return the index of the input that is currently being used by the collection’s parent object.
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: |
IltmmCaptureInputs::get_Count, IltmmCaptureInputs::Item, IltmmCaptureInputs::put_Selection |
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Topics: |
Example
For an example, refer to Selecting ltmmCapture Object Inputs for C.
For an example, refer to Selecting ltmmCapture Object Inputs for C++.