Symbian3/PDK/Source/GUID-1FC0156C-7BDB-5D5B-9860-837DAB431D24.dita
author Dominic Pinkman <Dominic.Pinkman@Nokia.com>
Tue, 30 Mar 2010 11:42:04 +0100
changeset 4 4816d766a08a
parent 3 46218c8b8afa
child 5 f345bda72bc4
permissions -rw-r--r--
Week 12 contribution of SDK documentation_content. See release notes for details. Fixes Bug 1892, Bug 1522, Bug 1520, Bug 394, Bug 1319, Bug 344, Bug 1897

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<!DOCTYPE concept
  PUBLIC "-//OASIS//DTD DITA Concept//EN" "concept.dtd">
<concept xml:lang="en" id="GUID-1FC0156C-7BDB-5D5B-9860-837DAB431D24"><title>How to implement and use NewLC()</title><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>