diff -r 29ddb8a72f0e -r 9f1c3fea0f87 windowing/windowserver/inc/Graphics/openwfc/WSGRAPHICDRAWERINTERFACE.H
--- a/windowing/windowserver/inc/Graphics/openwfc/WSGRAPHICDRAWERINTERFACE.H	Tue Jul 06 15:45:57 2010 +0300
+++ b/windowing/windowserver/inc/Graphics/openwfc/WSGRAPHICDRAWERINTERFACE.H	Wed Aug 18 11:05:09 2010 +0300
@@ -849,7 +849,11 @@
 		EAlphaChannelTransparencyEnabled,
 		/** True if a clipping rect should be applied when drawing a standard text cursor, false otherwise.
 		The default value is false. */
-		ECursorClipRectSet
+		ECursorClipRectSet,
+		/** Implicitly defaults to true. Will remain true as long as the application's primary screendevice 
+		is in the same orientation as the device. This information is only given for top-windows, 
+		i.e. children of group-windows, and only when wsini.ini is configured with SIZE_MODE > 0. */
+		EScreenDeviceValid
 		};
 	/**
 	 This enum encapsulates the set of non-boolean attribute changes that can be observed