IPortableDeviceKeyCollection::GetAt method

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

Syntax


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

Parameters

dwIndex [in]

DWORD that contains the index of the key to be retrieved.

pKey [out]

Pointer to a PROPERTYKEY object.

Return value

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

Return codeDescription
S_OK

The method succeeded.

E_INVALIDARG

The index passed in was out of range.

E_POINTER

A required pointer argument was NULL.

 

Examples

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

Requirements

Header

PortableDeviceTypes.h

Library

PortableDeviceGUIDs.lib

See also

IPortableDeviceKeyCollection Interface
Retrieving Supported Service Events
Retrieving Supported Service Methods

 

 

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