IPortableDeviceKeyCollection::GetAt method

The GetAt method retrieves a PROPERTYKEY from the collection by index.

Syntax

HRESULT GetAt(
  [in]  const DWORD       dwIndex,
  [out]       PROPERTYKEY *pKey
);

dwIndex [in]: DWORD that contains the index of the key to be retrieved.
pKey [out]: Pointer to a PROPERTYKEY object.

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 index passed in was out of range.
E_POINTER	A required pointer argument was NULL.

For an example of how to use this method, see Retrieving Supported Service Events.

Requirement	Value
Header	PortableDeviceTypes.h
Library	PortableDeviceGUIDs.lib

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