Symbian3/PDK/Source/GUID-1FC0156C-7BDB-5D5B-9860-837DAB431D24.dita
author Dominic Pinkman <Dominic.Pinkman@Nokia.com>
Tue, 30 Mar 2010 11:56:28 +0100
changeset 5 f345bda72bc4
parent 3 46218c8b8afa
child 14 578be2adaf3e
permissions -rw-r--r--
Week 12 contribution of PDK documentation_content. See release notes for details. Fixes Bug 2054, Bug 1583, Bug 381, Bug 390, Bug 463, Bug 1897, Bug 344, Bug 1319, Bug 394, Bug 1520, Bug 1522, Bug 1892"

<?xml version="1.0" encoding="utf-8"?>
<!-- Copyright (c) 2007-2010 Nokia Corporation and/or its subsidiary(-ies) All rights reserved. -->
<!-- This component and the accompanying materials are made available under the terms of the License 
"Eclipse Public License v1.0" which accompanies this distribution, 
and is available at the URL "http://www.eclipse.org/legal/epl-v10.html". -->
<!-- Initial Contributors:
    Nokia Corporation - initial contribution.
Contributors: 
-->
<!DOCTYPE concept
  PUBLIC "-//OASIS//DTD DITA Concept//EN" "concept.dtd">
<concept id="GUID-1FC0156C-7BDB-5D5B-9860-837DAB431D24" xml:lang="en"><title>How to
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>
<p>When an object is created through <codeph>NewLC()</codeph>, use <codeph>CleanupStack::PopAndDestroy()</codeph> to
destroy the object when its use is complete.</p>
<codeblock id="GUID-34A7790B-1FA9-58FA-83D9-A2CF6C07F2F2" xml:space="preserve">static CExample* CExample::NewLC()
    {
    CExample* self = new (ELeave) CExample();
    CleanupStack::PushL(self);
    self-&gt;ConstructL();
    return self;
    }</codeblock>
<codeblock id="GUID-421A377A-7192-5908-A1C6-E3941046D489" xml:space="preserve">void doExampleL()
    {
    // allocate and push to cleanup stack - leave if failed
    CExample* myExample = CExample::NewLC();
    // do something that might leave
    myExample-&gt;DoSomethingL();  
    // pop from cleanup stack and destroy
    CleanupStack::PopAndDestroy(); 
    }</codeblock>
</conbody></concept>