Symbian3/PDK/Source/GUID-1FC0156C-7BDB-5D5B-9860-837DAB431D24.dita
author Graeme Price <GRAEME.PRICE@NOKIA.COM>
Fri, 15 Oct 2010 14:32:18 +0100
changeset 15 307f4279f433
parent 14 578be2adaf3e
permissions -rw-r--r--
Initial contribution of the Adaptation Documentation.
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<?xml version="1.0" encoding="utf-8"?>
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<!-- Copyright (c) 2007-2010 Nokia Corporation and/or its subsidiary(-ies) All rights reserved. -->
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<!-- This component and the accompanying materials are made available under the terms of the License 
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"Eclipse Public License v1.0" which accompanies this distribution, 
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and is available at the URL "http://www.eclipse.org/legal/epl-v10.html". -->
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<!-- Initial Contributors:
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    Nokia Corporation - initial contribution.
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Contributors: 
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-->
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<!DOCTYPE concept
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  PUBLIC "-//OASIS//DTD DITA Concept//EN" "concept.dtd">
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<concept id="GUID-1FC0156C-7BDB-5D5B-9860-837DAB431D24" xml:lang="en"><title>How to
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implement and use NewLC()</title><shortdesc>This document describes how to destroy objects created with <codeph>NewLC()</codeph>.</shortdesc><prolog><metadata><keywords/></metadata></prolog><conbody>
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<p>When an object is created through <codeph>NewLC()</codeph>, use <codeph>CleanupStack::PopAndDestroy()</codeph> to
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destroy the object when its use is complete.</p>
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<codeblock id="GUID-34A7790B-1FA9-58FA-83D9-A2CF6C07F2F2" xml:space="preserve">static CExample* CExample::NewLC()
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    {
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    CExample* self = new (ELeave) CExample();
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    CleanupStack::PushL(self);
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    self-&gt;ConstructL();
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    return self;
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    }</codeblock>
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<codeblock id="GUID-421A377A-7192-5908-A1C6-E3941046D489" xml:space="preserve">void doExampleL()
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    {
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    // allocate and push to cleanup stack - leave if failed
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    CExample* myExample = CExample::NewLC();
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    // do something that might leave
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    myExample-&gt;DoSomethingL();  
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    // pop from cleanup stack and destroy
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    CleanupStack::PopAndDestroy(); 
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    }</codeblock>
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</conbody></concept>