--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Symbian3/SDK/Source/GUID-3729C075-4958-4874-9DD7-02A68D17E043.dita	Wed Mar 31 11:11:55 2010 +0100
@@ -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-3729C075-4958-4874-9DD7-02A68D17E043" xml:lang="en"><title>Other
+window server events</title><prolog><metadata><keywords/></metadata></prolog><conbody>
+<p> When an event occurs under the window server, the framework calls the <xref href="GUID-3AC2CDAC-0291-309F-A020-049BC9F2CF90.dita#GUID-3AC2CDAC-0291-309F-A020-049BC9F2CF90/GUID-1ADF5125-A91A-3C5D-8422-50A84D7D6493"><apiname>CCoeAppUi::HandleWsEventL()</apiname></xref> function
+of the UI controller object. To implement an event-handling code for a certain
+event, <xref href="GUID-3AC2CDAC-0291-309F-A020-049BC9F2CF90.dita#GUID-3AC2CDAC-0291-309F-A020-049BC9F2CF90/GUID-1ADF5125-A91A-3C5D-8422-50A84D7D6493"><apiname>CCoeAppUi::HandleWsEventL()</apiname></xref> must be overridden.
+To ensure that the system works correctly, after catching an event in the
+overridden <xref href="GUID-3AC2CDAC-0291-309F-A020-049BC9F2CF90.dita#GUID-3AC2CDAC-0291-309F-A020-049BC9F2CF90/GUID-1ADF5125-A91A-3C5D-8422-50A84D7D6493"><apiname>CCoeAppUi::HandleWsEventL()</apiname></xref> function the base
+class implementation should be called. The event type is identified by <parmname>TEventCode</parmname>,
+which is a data member of the window server event, <parmname>TWsEvent</parmname>. </p>
+<codeblock id="GUID-C3C94D39-9BDF-4F89-9DEE-B1078A2AD04E" xml:space="preserve">void HandleWsEventL( const TWsEvent&amp; aEvent, CCoeControl* aDestination )
+</codeblock>
+<p> All the event types are defined in the <parmname>w32std.h</parmname>.</p>
+<note>
+<p>Some event types are not implemented in the system or are not available
+for third-party applications. All event codes from <xref href="GUID-420348F5-4A82-3780-9D27-A3E1F4780F0B.dita#GUID-420348F5-4A82-3780-9D27-A3E1F4780F0B/GUID-5FADC321-7A9E-3CF6-B59F-D142E7A2EFF4"><apiname>TEventCode::EEventUser()</apiname></xref> upwards
+can be used for the application-specific events (discussed in <xref href="GUID-95DD1440-01C9-4997-8DD4-FFD33D7DEAFF.dita">Application-specific
+events</xref>).</p>
+</note>
+<p> The following is a code example of the usage of a window server event:</p>
+<codeblock id="GUID-CF247807-C0BF-4C84-B8DF-8C636F895043" xml:space="preserve">void CMyAppUi::HandleWsEventL( const TWsEvent&amp; aEvent,
+                               CCoeControl* aDestination )
+    {
+    // Call the base class implementation
+    CEikAppUi::HandleWsEventL( aEvent, aDestination );
+    if( aEvent.Type() == EEventKeyDown )
+        {
+        // Do something
+        iEikonEnv-&gt;InfoMsg( _L( “Key was pressed” ) );
+        }
+    }
+</codeblock>
+</conbody></concept>
\ No newline at end of file