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IMSVidInputDevices::get_Item Method

  • Article

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]  IMSVidInputDevice **ppDB
);

Parameters

  • v [in]
    VARIANT that specifies the index of the item to retrieve.

  • ppDB [out]
    Address of a variable that receives an IMSVidInputDevice 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 IMSVidInputDevices::get_Count() - 1.

If the method succeeds, the IMSVidInputDevice interface has an outstanding reference count. The caller must release the interface.

Requirements

Header Declared in Dshow.h.
DLL Requires Quartz.dll.

See Also

IMSVidInputDevices Interface

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Build date: 12/4/2008