IPortableDeviceValuesCollection::GetAt method

The GetAt method retrieves an item from the collection by a zero-based index.

Syntax

HRESULT GetAt(
  [in]  const DWORD                 dwIndex,
  [out]       IPortableDeviceValues **ppValues
);

dwIndex [in]: DWORD that specifies a zero-based index in the collection.
ppValues [out]: Address of a variable that receives a pointer to an IPortableDeviceValues interface from the collection. The caller is responsible for calling Release on this interface when done with it.

The method returns an HRESULT. Possible values include, but are not limited to, those in the following table.

Return code	Description
S_OK	The method succeeded.
E_INVALIDARG	The zero-based index that was passed in was out of range.
E_POINTER	A required pointer argument was NULL.
E_UNEXPECTED	The collection contains a NULL IPortableDeviceValues pointer.

Any changes that are made to values in the retrieved interface will be made to the version stored in the collection.

Requirement	Value
Header	PortableDeviceTypes.h
Library	PortableDeviceGUIDs.lib