Symbian3/SDK/Source/GUID-8F2D8656-B7F4-4BDA-81CB-8440A2FDDD82.dita
changeset 0 89d6a7a84779
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Symbian3/SDK/Source/GUID-8F2D8656-B7F4-4BDA-81CB-8440A2FDDD82.dita	Thu Jan 21 18:18:20 2010 +0000
@@ -0,0 +1,43 @@
+<?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-8F2D8656-B7F4-4BDA-81CB-8440A2FDDD82" xml:lang="en"><title>Dimming
+or hiding toolbar extension items</title><prolog><metadata><keywords/></metadata></prolog><conbody>
+<p>You can dim or hide toolbar extension items if an extension item function
+is not available in certain cases.</p>
+<p>The example below shows how to set the extension button unavailable. In
+the example, the boolean parameter <codeph>aHide</codeph> indicates if the
+button should be hidden or dimmed.</p>
+<codeblock xml:space="preserve">void CMyAppView::SetExtensionButtonUnavailableL( TBool aHide )
+    {
+    CAknToolbar* toolbar = Toolbar();
+    if ( toolbar )
+        {
+        CAknToolbarExtension* toolbarExtension = toolbar-&gt;ToolbarExtension();
+        if ( toolbarExtension )
+            {
+            if ( aHide )
+                {
+                // To show the item again: 
+                // toolbar-&gt;HideItem( KExtensionButtonId, EFalse );
+                toolbarExtension-&gt;HideItemL( KExtensionButtonId, ETrue );
+                }
+            else
+                {
+                // To undim the item again:
+                // toolbar-&gt;SetItemDimmed( KExtensionButtonId, EFalse );
+                toolbarExtension-&gt;SetItemDimmed( KExtensionButtonId, ETrue );
+                }
+            }
+        }
+    }
+</codeblock>
+</conbody></concept>
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