--- a/windowing/windowserver/inc/Graphics/openwfc/WSGRAPHICDRAWERINTERFACE.H	Fri Apr 16 16:21:04 2010 +0300
+++ b/windowing/windowserver/inc/Graphics/openwfc/WSGRAPHICDRAWERINTERFACE.H	Mon May 03 13:44:32 2010 +0300
@@ -417,7 +417,7 @@
 	KMWsWindowTree = 35,				// Object Extension to be used by render stages for recovery of MWsWindowTree
 	KMWsScene = 36,                     // CWsRenderStage Object Extension will yield an MWsScene
 	                                    //      MWsScene::CreateSceneElement will yield a MWsElement
-
+	KMWsContentReadyForComposition = 37,// CWsRenderStage Object Extension will optionally yield an MWsContentReadyForComposition
 	};
 
 class TSurfaceConfiguration;