Symbian3/SDK/Source/GUID-A32FFE7A-A531-48D4-AD23-1CC13CB7F4B7.dita
author Dominic Pinkman <Dominic.Pinkman@Nokia.com>
Thu, 21 Jan 2010 18:18:20 +0000
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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-A32FFE7A-A531-48D4-AD23-1CC13CB7F4B7" xml:lang="en"><title>Dynamic
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initialization of the toolbar</title><prolog><metadata><keywords/></metadata></prolog><conbody>
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<section>      <p>Use the method <xref href="jar:GUID-759FBC7F-5384-4487-8457-A8D4B76F6AA6.jar!/html/classMAknToolbarObserver.html#201783ed07a47bc4081e3f1183030ca7" format="application/java-archive"><codeph>MAknToolbarObserver::DynInitToolbarL()</codeph></xref> to set properties
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of toolbar items before the toolbar is shown. </p><p><codeph>DynInitToolbarL()</codeph> is
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used for the toolbar notifying the observer when the toolbar is about to be
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shown. This way you can use the toolbar observer to initialize the toolbar
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before showing it, for example by dimming or hiding certain controls if their
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functions are not available.</p>       <p>The example below shows how to hide
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a toolbar item before the toolbar is drawn.</p>       <codeblock xml:space="preserve">void CMyAppView::DynInitToolbarL( TInt aResourceId, 
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                                          CAknToolbar* toolbar )
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    {
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    if ( toolbar )
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        {
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        toolbar-&gt;HideItem( KButtonId, ETrue, EFalse );
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        }
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    }
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</codeblock>     </section>
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</conbody></concept>