1 <?xml version="1.0" encoding="utf-8"?>

     2 <!-- Copyright (c) 2007-2010 Nokia Corporation and/or its subsidiary(-ies) All rights reserved. -->

     3 <!-- This component and the accompanying materials are made available under the terms of the License 

     4 "Eclipse Public License v1.0" which accompanies this distribution, 

     5 and is available at the URL "http://www.eclipse.org/legal/epl-v10.html". -->

     6 <!-- Initial Contributors:

     7     Nokia Corporation - initial contribution.

     8 Contributors: 

     9 -->

    10 <!DOCTYPE task

    11   PUBLIC "-//OASIS//DTD DITA Task//EN" "task.dtd">

    12 <task id="GUID-74ACD63A-F45B-4F64-963B-0DCF0842A13B" xml:lang="en"><title>Creating

    13 an instance</title><prolog><metadata><keywords/></metadata></prolog><taskbody>

    14 <context><p>Create a new instance of Extended Light API is using <codeph>NewL()</codeph> or <codeph>NewLC()</codeph> method.

    15 If the instance require the status feedback from the lights, derive the instance

    16 of the API from the <codeph>MHWRMExtendedLight</codeph>.</p><p>The following

    17 code demonstrates how to create an instance of Extended Light API:</p><codeblock xml:space="preserve">#include HWRMExtendedLight.h //Link against HWRMExtendedLightClient.lib.

    18 class CNewApp : public CBase,

    19                 public MHWRMExtendedLightObserver

    20     {

    21     public:

    22         CNewApp();

    23         ~CNewApp();

    24         void ConstructL();

    25         static CNewApp* NewL();

    26         // from MHWRMExtendedLightObserver

    27         virtual void LightStatusChanged( TInt aTarget,

    28                                          CHWRMExtendedLight::TLightStatus aStatus );

    29     private:

    30         CHWRMExtendedLight* iLight;

    31     };

    32 </codeblock><p>Without a notification, the instance can be derived from <codeph>CBase</codeph> and

    33 created using <codeph>NewL()</codeph> or <codeph>NewLC()</codeph>.</p><codeblock xml:space="preserve">CHWRMExtendedLight* light = CHWRMExtendedLight::NewLC(); // No callbacks</codeblock></context>

    34 </taskbody></task>