--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Symbian3/PDK/Source/GUID-96C7CBD4-4B25-5AA1-A54F-1764B54FDC7E.dita	Fri Jan 22 18:26:19 2010 +0000
@@ -0,0 +1,25 @@
+<?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 xml:lang="en" id="GUID-96C7CBD4-4B25-5AA1-A54F-1764B54FDC7E"><title>How to write a derived class with two-phase construction</title><prolog><metadata><keywords/></metadata></prolog><conbody><p>When writing a derived class, you must use the derived class <codeph>ConstructL()</codeph> to call the correct base class <codeph>ConstructL()</codeph>. </p> <p>Call the base class <codeph>ConstructL()</codeph> before the derived-class specific construction starts. This mirrors the action of C++ constructors.</p> <codeblock id="GUID-DA0E4184-AC27-565F-9DA1-2CBB59A1E949" xml:space="preserve">class CCompoundDerived : public CCompound
+    {
+public:
+    ...
+protected:
+    ...
+    void ConstructL();
+private:
+    ...
+    };</codeblock> <codeblock id="GUID-C67C0AC0-8974-54C2-AEBE-0557DA7C6838" xml:space="preserve">void CCompoundDerived::ConstructL()
+    {
+    this-&gt;CCompound::ConstructL();
+    // own construction
+    }</codeblock> </conbody></concept>
\ No newline at end of file