diff -r 000000000000 -r bde4ae8d615e os/graphics/windowing/windowserver/inc/Graphics/displaycontrol.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/os/graphics/windowing/windowserver/inc/Graphics/displaycontrol.h	Fri Jun 15 03:10:57 2012 +0200
@@ -0,0 +1,68 @@
+// Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).
+// All rights reserved.
+// This component and the accompanying materials are made available
+// under the terms of "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:
+//
+// Description:
+//
+
+#ifndef DISPCTRL_CLIENT_H_
+#define DISPCTRL_CLIENT_H_
+
+#include <graphics/displaycontrolbase.h>
+
+/**
+ * Window Server client interface for display control.
+ * 
+ * All functions in MDisplayControlBase will automatically flush the client-server
+ * session buffer as part of their behavior.
+ * 
+ * Setting the display configuration successfully shall cause the screen mode
+ * index to change to one of the last two entries (dependent on rotation) and that
+ * mode's size information shall be updated as necessary.
+ * 
+ * @publishedPartner
+ * @prototype
+ */
+class MDisplayControl : public MDisplayControlBase
+	{
+public:
+	enum	
+		{
+		KUidDisplayControl =  0x10286499, 	  //To    0x1028649A
+		ETypeId=	 KUidDisplayControl 
+		};
+public:
+	/** 
+	 * Returns whether changes in the display will trigger an EEventDisplayChanged 
+	 * event to be issued.
+	 *
+	 * Events will be triggered configuration changes that have taken place on 
+	 * the display, when a display has been connected / disconnected (if it can be 
+	 * detected), and when the available resolutions change.
+	 *
+	 * This function always causes a flush of the window server buffer.
+	 *	
+	 * @return ETrue if display change events are enabled, EFalse otherwise
+	 */
+	virtual TBool DisplayChangeEventsEnabled() const =0;
+	/** 
+	 * Determines whether changes in the display will trigger an EEventDisplayChanged 
+	 * event to be issued.
+	 * 
+	 * @see DisplayChangeEventsEnabled
+	 * 
+	 * @param aEnable ETrue to enable display change events, EFalse to disable them
+	 */	
+	virtual void EnableDisplayChangeEvents(TBool aEnable) =0;
+	};
+
+
+#endif /*DISPCTRL_CLIENT_H_*/