IMSVidOutputDevices::get_Item Method
This topic applies to Windows XP or later.
The get_Item method retrieves the specified item from the collection.
Syntax
HRESULT get_Item(
[in] VARIANT v,
[out] IMSVidOutputDevice **ppDB
);
Parameters
v [in]
VARIANT that specifies the index of the item to retrieve.ppDB [out]
Address of a variable that receives an IMSVidOutputDevice interface pointer.
Return Value
Returns an HRESULT value. Possible values include the following.
Return code | Description |
---|---|
S_OK |
Success. |
DISP_E_BADINDEX |
The index is out of range. |
DISP_E_TYPEMISMATCH |
Wrong VARIANT type. |
E_POINTER |
NULL pointer argument. |
E_UNEXPECTED |
Unexpected error. |
Remarks
The v parameter must be a VARIANT that contains an integer type (VT_I4). The valid range is from 0 to IMSVidOutputDevices::get_Count - 1
.
If the method succeeds, the IMSVidOutputDevice interface has an outstanding reference count. The caller must release the interface.
Requirements
Header | Declared in Dshow.h. |
DLL | Requires Quartz.dll. |
See Also
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Build date: 12/4/2008