diff -r 000000000000 -r bde4ae8d615e os/graphics/windowing/windowserver/nga/CLIENT/w32comm.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/os/graphics/windowing/windowserver/nga/CLIENT/w32comm.cpp	Fri Jun 15 03:10:57 2012 +0200
@@ -0,0 +1,53 @@
+// Copyright (c) 1996-2009 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:
+// Common utils
+// 
+//
+
+#include <e32std.h>
+#include "w32comm.h"
+
+void TWriteDescriptorType::SetDescriptorOnIpcArgs(TIpcArgs& aIpcArgs) const
+	{
+	switch (iBufferType)
+		{
+		case EDes8:
+			aIpcArgs.Set(KReplyBufferMessageSlot, reinterpret_cast<TDes8*>(iArgument));
+			break;
+		case EDes16:
+			aIpcArgs.Set(KReplyBufferMessageSlot, reinterpret_cast<TDes16*>(iArgument));
+			break;
+		case EDesC8:
+		case EDesC16:
+		default:
+			break;
+		}
+	}
+
+void TReadDescriptorType::SetDescriptorOnIpcArgs(TIpcArgs& aIpcArgs) const
+	{
+	switch (iBufferType)
+		{
+		case EDesC8:
+			aIpcArgs.Set(KRemoteBufferMessageSlot, reinterpret_cast<const TDesC8*>(iArgument));
+			break;
+		case EDesC16:
+			aIpcArgs.Set(KRemoteBufferMessageSlot, reinterpret_cast<const TDesC16*>(iArgument));
+			break;
+		case EDes8:
+		case EDes16:
+		default:
+			break;
+		}
+	}