--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Symbian3/SDK/Source/GUID-3729C075-4958-4874-9DD7-02A68D17E043.dita	Thu Jan 21 18:18:20 2010 +0000
@@ -0,0 +1,40 @@
+<?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="jar:GUID-35228542-8C95-4849-A73F-2B4F082F0C44.jar!/sdk/doc_source/reference/reference-cpp/Control_Environment/CCoeAppUiClass.html#%3a%3aCCoeAppUi%3a%3aHandleWsEventL%28const%20TWsEvent%20%26amp%3b%2cCCoeControl%20%2a%29" format="application/java-archive"><parmname>HandleWsEventL()</parmname></xref> function of the UI controller
+object. To implement an event-handling code for a certain event, <xref href="jar:GUID-35228542-8C95-4849-A73F-2B4F082F0C44.jar!/sdk/doc_source/reference/reference-cpp/Control_Environment/CCoeAppUiClass.html#%3a%3aCCoeAppUi%3a%3aHandleWsEventL%28const%20TWsEvent%20%26amp%3b%2cCCoeControl%20%2a%29" format="application/java-archive"><parmname>HandleWsEventL()</parmname></xref> must be overridden. In
+order to ensure that the system works correctly, after catching an event in
+the overridden <xref href="jar:GUID-35228542-8C95-4849-A73F-2B4F082F0C44.jar!/sdk/doc_source/reference/reference-cpp/Control_Environment/CCoeAppUiClass.html#%3a%3aCCoeAppUi%3a%3aHandleWsEventL%28const%20TWsEvent%20%26amp%3b%2cCCoeControl%20%2a%29" format="application/java-archive"><parmname>HandleWsEventL()</parmname></xref> function the base class
+implementation should be called. The event type is identified by <xref href="jar:GUID-35228542-8C95-4849-A73F-2B4F082F0C44.jar!/sdk/doc_source/reference/reference-cpp/Window_Server/W32STD.HGlobals.html#%3a%3aTEventCode" format="application/java-archive"><parmname>TEventCode</parmname></xref>, which is a data member of the
+window server event, <xref href="jar:GUID-35228542-8C95-4849-A73F-2B4F082F0C44.jar!/sdk/doc_source/reference/reference-cpp/Window_Server/TWsEventClass.html#_top%20title=" format="application/java-archive"><parmname>TWsEvent</parmname></xref>. </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> header.</p>
+<p>Note that some event types are not implemented in the system or are
+not available for third-party applications. All event codes from <xref href="jar:GUID-35228542-8C95-4849-A73F-2B4F082F0C44.jar!/sdk/doc_source/reference/reference-cpp/Window_Server/W32STD.HGlobals.html#%3a%3aTEventCode" format="application/java-archive"><parmname>TEventCode:EEventUser</parmname></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>).
+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>
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